JAVA面试题之实现字符串的倒序输出

 package shb.java.demo;
 
 public class MyTest {
     public static void main(String[] args) {
         String string = "For God so loved the world kdkdk";
         reverse_2(string);
     }
     //方法一
     public static void reverse(String str){
 
         String[] strings = str.split(" ");
         for(int i= 0 ; i < strings.length;i++){
             String top =strings[0];
 
                      for(int j=1;j<strings.length-i;j++){
 
                       strings[j-1]= strings[j];
 
             }
                      strings[strings.length-i-1]=top;
 
             }
         for(String string:strings){
             System.out.println(string);
         }
     }
     //方法二
     public static void reverse_2(String str_2){
         String []strings = str_2.split(" ");
         String temp = "";
         if(strings.length%2==0){
         for(int i=0;i<strings.length/2;i++){
             temp = strings[i];
             strings[i] = strings[strings.length-1-i];
             strings[strings.length-1-i] = temp;
         }
         for(String string2:strings){
             System.out.println(string2);
         }
         }else {
             for(int i=0;i<(strings.length-1)/2;i++){
                 temp = strings[i];
                 strings[i] = strings[strings.length-1-i];
                 strings[strings.length-1-i] = temp;
             }
             for(String string2:strings){
                 System.out.println(string2);
             }
         }
     }
 }