Commit 4492ccc

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165. Compare Version Numbers (java)

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Original file line number	Diff line number	Diff line change
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	`1`	`+class Solution {`
	`2`	`+ public int compareVersion(String version1, String version2) {`
	`3`	`+ if(version1 == null \|\| version2 == null) return 0;`
	`4`	`+ char[] v1 = version1.toCharArray();`
	`5`	`+ char[] v2 = version2.toCharArray();`
	`6`	`+ for (int i = 0,j = 0;i < v1.length \|\| j < v2.length;i++,j++){`
	`7`	`+ int ver1 = 0, ver2 = 0;`
	`8`	`+ for (;i<v1.length && v1[i]!='.';i++) ver1 = ver1 * 10 + v1[i] - '0';`
	`9`	`+ for (;j<v2.length && v2[j]!='.';j++) ver2 = ver2 * 10 + v2[j] - '0';`
	`10`	`+ if(ver1 < ver2) return -1;`
	`11`	`+ else if(ver1 > ver2) return 1;`
	`12`	`+ }`
	`13`	`+ return 0;`
	`14`	`+ }`
	`15`	`+}`

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