java 多个小数点比较大小

public static void main(String[] args) {
        System.out.println(versionCompare("1.0.1","1.0.1.1"));
        System.out.println(versionCompare("1.0.1","1.0.1.0"));
        System.out.println(versionCompare("1.0.1","1.0.2"));
        System.out.println(versionCompare("1.0.3","1.0.2"));

}

  /**
     *  ver1 > ver2 = 1
     *  ver1 = ver2 = 0
     *  ver1 < ver2 = -1
     * @param ver1
     * @param ver2
     * @return
     */
    public static int versionCompare(String ver1, String ver2){
        if(ver1.equals(ver2)){
            return 0;
        }
        String[] verArr1 = ver1.split("\\.");
        String[] verArr2 = ver2.split("\\.");
        int maxflag = 1;
        int minLen = 0;
        if(verArr1.length > verArr2.length){
            minLen = verArr2.length;
        }else{
            minLen = verArr1.length;
            maxflag = 2;
        }
        for(int i = 0; i < minLen; i++){
            if(Integer.valueOf(verArr1[i]) - Integer.valueOf(verArr2[i]) > 0){
                return 1;
            }else if(Integer.valueOf(verArr1[i]) - Integer.valueOf(verArr2[i]) < 0){
                return -1;
            }
        }
        if(maxflag == 1){
            for (int j = minLen; j < verArr1.length; j++) {
                if(Integer.valueOf(verArr1[j]).intValue() > 0){
                    return 1;
                }
            }
        }else{
            for (int k = minLen; k < verArr2.length; k++) {
                if(Integer.valueOf(verArr2[k]).intValue() > 0){
                    return -1;
                }
            }
        }
        return 0;
    }

输出