Commite43ed48

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make code more concise

1 parent4f7f0bd commite43ed48Copy full SHA for e43ed48

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-10

lines changed

-10

lines changed

Lines changed: 3 additions & 10 deletions

Original file line number	Diff line number	Diff line change
`@@ -3,16 +3,9 @@`
`3`	`3`	`publicclassImplementStrStr {`
`4`	`4`	`/*You could use substring as follows, or use two pointers to go through the haystack, if substring API call is not allowed./`
`5`	`5`	`publicstaticintstrStr(Stringhaystack,Stringneedle) {`
`6`		`-if(haystack ==null \|\|needle ==null){`
`7`		`-return -1;`
`8`		`- }`
`9`		`-if(haystack.isEmpty()){`
`10`		`-returnneedle.isEmpty() ?0 : -1;`
`11`		`- }`
`12`		`-if(needle.isEmpty()){`
`13`		`-return0;`
`14`		`- }`
`15`		`-for(inti =0;i <haystack.length() -needle.length()+1;i++){`
	`6`	`+if(haystack ==null \|\|needle ==null \|\|haystack.length() <needle.length())return -1;`
	`7`	`+`
	`8`	`+for(inti =0;i <=haystack.length() -needle.length();i++){`
`16`	`9`	`if(haystack.substring(i,i+needle.length()).equals(needle))returni;`
`17`	`10`	`}`
`18`	`11`	`return -1;`

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