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CompareVersion.java

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package Algorithms.string;

public class CompareVersion {

public static void main(String[] args) {

compareVersion("1", "0");

}

public static int compareVersion(String version1, String version2) {

if (version1 == null || version2 == null || version1.length() == 0

|| version2.length() == 0) {

return 0;

}

String[] strs1 = version1.split("\\.");

String[] strs2 = version2.split("\\.");

int size1 = strs1.length;

int size2 = strs2.length;

int minSize = Math.min(size1, size2);

for (int i = 0; i < minSize; i++) {

int v1 = Integer.parseInt(strs1[i]);

int v2 = Integer.parseInt(strs2[i]);

if (v1 > v2) {

return 1;

} else if (v1 < v2) {

return -1;

}

}

return 0;

}

}