version String Compare - Android java.lang

Android examples for java.lang:String Algorithm

  1. HOME
  2. Android
  3. java.lang
  4. String Algorithm

Description

version String Compare

Demo Code


//package com.java2s;

public class Main {

    public static boolean versionCompare(String oldversion,
            String newversion) {/* w  w  w.j  a va  2 s  . co  m*/
        if (oldversion == null || newversion == null) {
            return false;
        }
        String[] oldstr = oldversion.split("\\.");
        String[] newstr = newversion.split("\\.");

        int[] oldint = new int[oldstr.length];
        int[] newint = new int[newstr.length];

        try {
            for (int i = 0; i < oldstr.length; i++) {
                oldint[i] = Integer.valueOf(oldstr[i]);
            }
            for (int i = 0; i < newstr.length; i++) {
                newint[i] = Integer.valueOf(newstr[i]);
            }
        } catch (Exception e) {
        }

        int count = oldint.length > newint.length ? newint.length
                : oldint.length;
        for (int temp = 0; temp < count; temp++) {
            if (newint[temp] == oldint[temp]) {
                continue;
            } else if (newint[temp] > oldint[temp]) {
                return true;
            } else {
                return false;
            }
        }
        if (newint.length > oldint.length) {
            return true;
        }
        return false;
    }
}

Related Tutorials