比较两个版本字符串version1和version2

/*
不仅要考虑字符串长度相同还要考虑不同的时候
*/
import java.io.*;
    
public class Main{
    public static void main( String[] args ) throws IOException{
        BufferedReader br = new BufferedReader( new InputStreamReader( System.in ) );
        String[] inarr = br.readLine().split( " " );
        String[] str1 = inarr[0].split("\\.");
        String[] str2 = inarr[1].split("\\.");
        
        //先直接进行比较，看看谁的版本高
        for( int i=0; i<str1.length && i<str2.length; i++ ){
            if( Integer.parseInt( str1[i] ) < Integer.parseInt( str2[i] ) ){
                System.out.println( "-1" );
                return;
            }
            else if( Integer.parseInt( str1[i] ) > Integer.parseInt( str2[i]) ){
                System.out.println( "1" );
                return;
            }
        }
        
        //当前面的比较没有成功，有如下情况
        //长度相同时版本一致，
        //一长一短，并且短的部分与长的前面相同
        if( str1.length == str2.length ){
            System.out.println( "0" );
        }
        else if( str1.length < str2.length ){
            System.out.println( "-1" );
        }
        else{
            System.out.println( "1" );
        }
        return;
    }
}

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String[] v1 = sc.next().split("\\.");
        String[] v2 = sc.next().split("\\.");
        int len = Math.max(v1.length, v2.length);
        int[] num1 = new int[len];
        int[] num2 = new int[len];
        for (int i = 0; i < v1.length; i++) {
            num1[i] = Integer.parseInt(v1[i]);
        }
        for (int i = 0; i < v2.length; i++) {
            num2[i] = Integer.parseInt(v2[i]);
        }
        int index = 0;
        while (index < len) {
            if (num1[index] < num2[index]) {
                System.out.println(-1);
                return;
            } else if (num1[index] > num2[index]) {
                System.out.println(1);
                return;
            } else {
                index++;
            }
        }
        System.out.println(0);
    }
}