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Incorporate the class Alphabetical from string package

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+33

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src
- main/java/com/string
  - Alphabetical.java
- test/java/com/string
  - AlphabeticalTest.java

+33

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lines changed

Lines changed: 20 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,20 @@`
	`1`	`+packagecom.string;`
	`2`	`+`
	`3`	`+publicclassAlphabetical {`
	`4`	`+`
	`5`	`+/**`
	`6`	`+ * Check if a string is alphabetical order or not`
	`7`	`+ *`
	`8`	`+ * @param s a string`
	`9`	`+ * @return {@code true} if given string is alphabetical order, otherwise {@code false}`
	`10`	`+ */`
	`11`	`+publicstaticbooleanisAlphabetical(Strings) {`
	`12`	`+s =s.toLowerCase();`
	`13`	`+for (inti =0;i <s.length() -1; ++i) {`
	`14`	`+if (!Character.isLetter(s.charAt(i)) \|\| !(s.charAt(i) <=s.charAt(i +1))) {`
	`15`	`+returnfalse;`
	`16`	`+ }`
	`17`	`+ }`
	`18`	`+returntrue;`
	`19`	`+ }`
	`20`	`+}`

Lines changed: 13 additions & 0 deletions

Original file line number	Diff line number	Diff line change
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	`1`	`+packagecom.string;`
	`2`	`+`
	`3`	`+importorg.junit.jupiter.api.Assertions;`
	`4`	`+importorg.junit.jupiter.api.Test;`
	`5`	`+`
	`6`	`+classAlphabeticalTestextendsAlphabetical {`
	`7`	`+`
	`8`	`+@Test`
	`9`	`+voidtestAlphabetical() {`
	`10`	`+Assertions.assertEquals(true,isAlphabetical("abc"),"The string is in order");`
	`11`	`+Assertions.assertEquals(false,isAlphabetical("testing"),"The string is not in order");`
	`12`	`+ }`
	`13`	`+}`

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