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Commitb8c9f98

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author
rfadatare
committed
Added String examples
1 parent441da8a commitb8c9f98

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51 files changed

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packagecom.javaguides.strings.convertions;
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/**
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* Class to Convert Double To String Example
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* @author javaguides.net
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*
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*/
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publicclassConvertBooleanToStringExamples {
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publicstaticvoidmain(String[]args) {
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/*
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* Method 1: using valueOf() method of String class.
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*/
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booleanflag =true;
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StringstrBoolean =String.valueOf(flag);
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System.out.println("Convert boolean to string using valueOf method ::" +strBoolean);
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/*
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* Method 2: using toString() method of Boolean class
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*/
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StringstrBoolean1 =Boolean.toString(flag);
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System.out.println("Convert boolean to string using Boolean.toString method ::" +strBoolean1);
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}
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}
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packagecom.javaguides.strings.convertions;
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/**
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* Class to Convert Byte To String Example
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* @author javaguides.net
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*
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*/
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publicclassConvertByteToStringExamples {
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publicstaticvoidmain(String[]args) {
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/*
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* Method 1: using valueOf() method of String class.
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*/
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byteb =10;
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StringstrByte =String.valueOf(b);
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System.out.println("Convert byte to string using valueOf method ::" +strByte);
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/*
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* Method 2: using toString() method of Byte class
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*/
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StringstrByte1 =Byte.toString(b);
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System.out.println("Convert Byte to String using Byte.toString method ::" +strByte1);
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}
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}
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packagecom.javaguides.strings.convertions;
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/**
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* Program to convert char to string
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* @author javaguides.net
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*
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*/
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publicclassConvertCharacterToStringExample {
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publicstaticvoidmain(String[]args) {
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/* Method 1: using valueOf() method
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* of String class.
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*/
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charc ='a';
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StringcharStr =String.valueOf(c);
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System.out.println("Convert char to string using valueOf method ::" +charStr);
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/* Method 2: using toString() method
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* of Character class
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*/
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StringcharStr1 =Character.toString(c);
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System.out.println("Convert char to string using Character.toString method ::" +charStr1);
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}
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}
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packagecom.javaguides.strings.convertions;
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importjava.text.DecimalFormat;
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/**
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* ConvertDoubleToStringExample
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* @author javaguides.net
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*
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*/
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publicclassConvertDoubleToStringExample {
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publicstaticvoidmain(String[]args) {
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// Convert using Double.toString(int)
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doublenumDouble =100.25;
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StringdoubleAsString =Double.toString(numDouble);
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System.out.println("Convert using Double.toString(int) -> " +doubleAsString);
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// Convert using String.valueOf(int)
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StringdoubleAsString1 =String.valueOf(numDouble);
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System.out.println("Convert using String.valueOf(int) -> " +doubleAsString1);
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// Convert using new Double(int).toString()
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DoubledoubleInstance =newDouble(numDouble);
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StringdoubleAsString2 =doubleInstance.toString();
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System.out.println("Convert using new Double(int).toString() -> " +doubleAsString2);
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// Convert using String.format()
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StringnumberAsString3 =String.format ("%f",numDouble);
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System.out.println("Convert using String.format() -> " +numberAsString3);
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// Convert using DecimalFormat
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doublenumDouble1 =12345.10;
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DecimalFormatdecimalFormat =newDecimalFormat("#");
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StringnumberAsString4 =decimalFormat.format(numDouble1);
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System.out.println(doubleAsString);
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System.out.println("Convert using DecimalFormat -> " +numberAsString4);
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// Convert using StringBuffer Example
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StringBufferstringBuffer =newStringBuffer();
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stringBuffer.append(numDouble);
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StringnumberAsString5 =stringBuffer.toString();
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System.out.println("Convert using StringBuffer Example -> " +numberAsString5);
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// Convert using StringBuilder Example
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StringBuildersbBuilder =newStringBuilder();
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sbBuilder.append(numDouble);
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StringnumberAsString6 =sbBuilder.toString();
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System.out.println("Convert using StringBuilder Example -> " +numberAsString6);
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}
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}
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packagecom.javaguides.strings.convertions;
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importjava.text.DecimalFormat;
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/**
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* Class to convert float to string examples.
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* @author javaguides.net
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*
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*/
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publicclassConvertFloatToStringExample {
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publicstaticvoidmain(String[]args) {
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// Convert using Float.toString(int)
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floatf =100.25f;
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StringfloatAsString =Float.toString(f);
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System.out.println("Convert using Float.toString(int) -> " +floatAsString);
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// Convert using String.valueOf(int)
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StringfloatAsString1 =String.valueOf(f);
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System.out.println("Convert using String.valueOf(int) -> " +floatAsString1);
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// Convert using new Integer(int).toString()
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FloatfloatInstance =newFloat(f);
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StringfloatAsString2 =floatInstance.toString();
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System.out.println("Convert using new Long(int).toString() -> " +floatAsString2);
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// Convert using String.format()
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StringfloatAsString3 =String.format("%f",f);
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System.out.println("Convert using String.format() -> " +floatAsString3);
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// Convert using DecimalFormat
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doublenumDouble1 =12345.10;
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DecimalFormatdecimalFormat =newDecimalFormat("#");
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StringfloatAsString4 =decimalFormat.format(numDouble1);
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System.out.println("Convert using DecimalFormat -> " +floatAsString4);
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// Convert using StringBuffer Example
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StringBufferstringBuffer =newStringBuffer();
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stringBuffer.append(f);
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StringfloatAsString5 =stringBuffer.toString();
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System.out.println("Convert using StringBuffer Example -> " +floatAsString5);
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// Convert using StringBuilder Example
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StringBuildersbBuilder =newStringBuilder();
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sbBuilder.append(f);
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StringfloatAsString6 =sbBuilder.toString();
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System.out.println("Convert using StringBuilder Example -> " +floatAsString6);
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}
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}
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packagecom.javaguides.strings.convertions;
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importjava.text.DecimalFormat;
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/**
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* ConvertIntegerToStringExample
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* @author javaguides.net
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*
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*/
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publicclassConvertIntegerToStringExample {
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publicstaticvoidmain(String[]args) {
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// Convert using Integer.toString(int)
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intnumber =100;
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StringnumberAsString =Integer.toString(number);
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System.out.println("Convert using Integer.toString(int) -> " +numberAsString);
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// Convert using String.valueOf(int)
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StringnumberAsString1 =String.valueOf(number);
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System.out.println("Convert using String.valueOf(int) -> " +numberAsString1);
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// Convert using new Integer(int).toString()
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StringnumberAsString2 =newInteger(number).toString();
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System.out.println("Convert using new Integer(int).toString() -> " +numberAsString2);
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//Convert using String.format()
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StringnumberAsString3 =String.format ("%d",number);
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System.out.println("Convert using String.format() -> " +numberAsString3);
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// Convert using DecimalFormat
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intnumber1 =12345;
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DecimalFormatdecimalFormat =newDecimalFormat("#");
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StringnumberAsString4 =decimalFormat.format(number1);
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System.out.println(numberAsString);
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System.out.println("Convert using DecimalFormat -> " +numberAsString4);
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// Convert using StringBuffer Example
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StringBufferstringBuffer =newStringBuffer();
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stringBuffer.append(number);
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StringnumberAsString5 =stringBuffer.toString();
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System.out.println("Convert using StringBuffer Example -> " +numberAsString5);
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// Convert using StringBuilder Example
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StringBuildersbBuilder =newStringBuilder();
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sbBuilder.append(number);
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StringnumberAsString6 =sbBuilder.toString();
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System.out.println("Convert using StringBuilder Example -> " +numberAsString6);
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}
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}
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packagecom.javaguides.strings.convertions;
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importjava.text.DecimalFormat;
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/**
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* ConvertLongToStringExample
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* @author javaguides.net
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*
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*/
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publicclassConvertLongToStringExample {
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publicstaticvoidmain(String[]args) {
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// Convert using Long.toString(int)
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longnumber =100L;
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StringnumberAsString =Long.toString(number);
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System.out.println("Convert using Long.toString(int) -> " +numberAsString);
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// Convert using String.valueOf(int)
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StringnumberAsString1 =String.valueOf(number);
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System.out.println("Convert using String.valueOf(int) -> " +numberAsString1);
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// Convert using new Integer(int).toString()
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LonglongInstance =newLong(number);
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StringnumberAsString2 =longInstance.toString();
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System.out.println("Convert using new Long(int).toString() -> " +numberAsString2);
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// Convert using String.format()
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StringnumberAsString3 =String.format("%d",number);
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System.out.println("Convert using String.format() -> " +numberAsString3);
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// Convert using DecimalFormat
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longnumber1 =12345L;
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DecimalFormatdecimalFormat =newDecimalFormat("#");
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StringnumberAsString4 =decimalFormat.format(number1);
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System.out.println(numberAsString);
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System.out.println("Convert using DecimalFormat -> " +numberAsString4);
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// Convert using StringBuffer Example
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StringBufferstringBuffer =newStringBuffer();
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stringBuffer.append(number);
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StringnumberAsString5 =stringBuffer.toString();
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System.out.println("Convert using StringBuffer Example -> " +numberAsString5);
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// Convert using StringBuilder Example
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StringBuildersbBuilder =newStringBuilder();
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sbBuilder.append(number);
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StringnumberAsString6 =sbBuilder.toString();
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System.out.println("Convert using StringBuilder Example -> " +numberAsString6);
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}
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}
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packagecom.javaguides.strings.convertions;
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/**
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* Class to Convert Short To String Example
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* @author javaguides.net
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*
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*/
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publicclassConvertShortToStringExample {
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publicstaticvoidmain(String[]args) {
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/*
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* Method 1: using valueOf() method of String class.
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*/
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shorts =10;
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StringshortStr =String.valueOf(s);
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System.out.println("Convert short to string using valueOf method ::" +shortStr);
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/*
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* Method 2: using toString() method of Short class
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*/
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StringshortStr1 =Short.toString(s);
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System.out.println("Convert short to string using Short.toString method ::" +shortStr1);
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}
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}
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packagecom.javaguides.strings.convertions.fromstring;
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/**
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* ConvertStringToBooleanExamples
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* @author javaguides.net
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*
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*/
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publicclassConvertStringToBooleanExamples {
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publicstaticvoidmain(String[]args) {
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// Convert using Long.parseLong()
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StringnumberAsString ="true";
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booleanb =Boolean.parseBoolean(numberAsString);
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System.out.println("Convert using Boolean.parseBoolean() :: " +b);
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// Convert using Boolean.valueOf()
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booleanb1 =Boolean.valueOf(numberAsString);
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System.out.println("Convert using Boolean.valueOf() :: " +b1);
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// Convert using new Long(String).longValue()
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BooleanlongObject =newBoolean(numberAsString);
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booleanb3 =longObject.booleanValue();
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System.out.println("Convert using new Long(String).longValue() :: " +b3);
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}
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}
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packagecom.javaguides.strings.convertions.fromstring;
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importjava.text.DecimalFormat;
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importjava.text.ParseException;
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/**
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* ConvertStringToByteExamples
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* @author javaguides.net
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*
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*/
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publicclassConvertStringToByteExamples {
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publicstaticvoidmain(String[]args) {
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// Convert using IByte.parseByte
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StringnumberAsString ="100";
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bytenumber =Byte.parseByte(numberAsString);
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System.out.println("Convert using Byte.parseByte() : " +number);
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// Convert using Byte.valueOf()
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bytenumber1 =Byte.valueOf(numberAsString);
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System.out.println("Convert using Byte.valueOf() : " +number1);
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// Convert using new Integer(String).intValue()
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bytenumber2 =newByte(numberAsString).byteValue();
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System.out.println("Convert using new Byte(String).intValue() : " +number2);
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// Convert using DecimalFormat
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DecimalFormatdecimalFormat =newDecimalFormat("#");
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try {
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bytenumber3 =decimalFormat.parse(numberAsString).byteValue();
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System.out.println("Convert using DecimalFormat : " +number3);
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}catch (ParseExceptione) {
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System.out.println(numberAsString +" is not a valid number.");
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}
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}
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}

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