Commit41e5bd5

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refactor 415

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+12

-32

lines changed

src
- main/java/com/fishercoder/solutions
  - _415.java
- test/java/com/fishercoder
  - _415Test.java

+12

-32

lines changed

Lines changed: 12 additions & 17 deletions

Original file line number	Diff line number	Diff line change
`@@ -3,35 +3,30 @@`
`3`	`3`	`publicclass_415 {`
`4`	`4`
`5`	`5`	`publicstaticclassSolution1 {`
	`6`	`+/**`
	`7`	`+ * My completely original solution on 10/14/2021.`
	`8`	`+ */`
`6`	`9`	`publicStringaddStrings(Stringnum1,Stringnum2) {`
`7`		`-if (num1 ==null \|\|num1.length() ==0) {`
`8`		`-returnnum2;`
`9`		`- }elseif (num2 ==null \|\|num2.length() ==0) {`
`10`		`-returnnum1;`
`11`		`- }`
`12`		`-`
	`10`	`+StringBuildersb =newStringBuilder();`
`13`	`11`	`inti =num1.length() -1;`
`14`	`12`	`intj =num2.length() -1;`
`15`		`-longcarry =0;`
`16`		`-longsum =0;`
`17`		`-StringBuildersb =newStringBuilder();`
`18`		`-char[]char1 =num1.toCharArray();`
`19`		`-char[]char2 =num2.toCharArray();`
	`13`	`+intcarry =0;`
`20`	`14`	`while (i >=0 \|\|j >=0) {`
`21`		`-sum =carry;`
	`15`	`+intsum =carry;`
`22`	`16`	`if (i >=0) {`
`23`		`-sum +=Character.getNumericValue(char1[i--]);`
	`17`	`+sum +=Character.getNumericValue(num1.charAt(i));`
`24`	`18`	`}`
`25`	`19`	`if (j >=0) {`
`26`		`-sum +=Character.getNumericValue(char2[j--]);`
	`20`	`+sum +=Character.getNumericValue(num2.charAt(j));`
`27`	`21`	`}`
`28`		`-carry =sum /10;`
`29`	`22`	`sb.append(sum %10);`
	`23`	`+carry =sum /10;`
	`24`	`+i--;`
	`25`	`+j--;`
`30`	`26`	`}`
`31`		`-if (carry!=0) {`
	`27`	`+if (carry>0) {`
`32`	`28`	`sb.append(carry);`
`33`	`29`	`}`
`34`		`-`
`35`	`30`	`returnsb.reverse().toString();`
`36`	`31`	`}`
`37`	`32`	`}`

Lines changed: 0 additions & 15 deletions

Original file line number	Diff line number	Diff line change
`@@ -1,7 +1,6 @@`
`1`	`1`	`packagecom.fishercoder;`
`2`	`2`
`3`	`3`	`importcom.fishercoder.solutions._415;`
`4`		`-importorg.junit.Before;`
`5`	`4`	`importorg.junit.BeforeClass;`
`6`	`5`	`importorg.junit.Test;`
`7`	`6`
`@@ -23,45 +22,31 @@ public static void setup() {`
`23`	`22`	`num2 =newString();`
`24`	`23`	`}`
`25`	`24`
`26`		`-@Before`
`27`		`-publicvoidsetupForEachTest() {`
`28`		`-expected ="";`
`29`		`-actual ="";`
`30`		`-num1 ="";`
`31`		`-num2 ="";`
`32`		`- }`
`33`		`-`
`34`	`25`	`@Test`
`35`	`26`	`publicvoidtest1() {`
`36`		`-`
`37`	`27`	`num1 ="123";`
`38`	`28`	`num2 ="34567";`
`39`	`29`	`expected ="34690";`
`40`	`30`	`actual =solution1.addStrings(num1,num2);`
`41`	`31`	`assertEquals(expected,actual);`
`42`		`-`
`43`	`32`	`}`
`44`	`33`
`45`	`34`	`@Test`
`46`	`35`	`publicvoidtest2() {`
`47`		`-`
`48`	`36`	`num1 ="1";`
`49`	`37`	`num2 ="9";`
`50`	`38`	`expected ="10";`
`51`	`39`	`actual =solution1.addStrings(num1,num2);`
`52`	`40`	`assertEquals(expected,actual);`
`53`		`-`
`54`	`41`	`}`
`55`	`42`
`56`	`43`	`@Test`
`57`	`44`	`publicvoidtest3() {`
`58`		`-`
`59`	`45`	`num1 ="9";`
`60`	`46`	`num2 ="99";`
`61`	`47`	`expected ="108";`
`62`	`48`	`actual =solution1.addStrings(num1,num2);`
`63`	`49`	`assertEquals(expected,actual);`
`64`		`-`
`65`	`50`	`}`
`66`	`51`
`67`	`52`	`}`

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