蓝桥杯 基础练习 BASIC-15 字符串对比

 1 import java.io.BufferedReader;
 2 import java.io.IOException;
 3 import java.io.InputStreamReader;
 4 
 5 public class Main15 {
 6     public static void main(String[] args) throws IOException {
 7         BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
 8         String str1 = br.readLine();
 9         String str2 = br.readLine();
10         
11         int result = f(str1,str2);
12         System.out.println(result);
13     }
14 
15     private static int f(String str1, String str2) {
16         if(str1.length() != str2.length()){
17             return 1;
18         }else{
19             if(str1.equals(str2)){
20                 return 2;
21             }else if(str1.equalsIgnoreCase(str2)){  //equalsIgnoreCase--忽略大小写比较字符串是否相等
22                                                     //与str.toUpperCase()或str,toLowerCase()结果相等
23                 return 3;
24             }else{
25                 return 4;
26             }
27         }
28     }
29 }