2023-03-07 java 判断字符串是否是回文数

@Test
public  void zuoye17(){   //判断是否是回文数
    Scanner scanner = new Scanner(System.in);
    System.out.println("请输入字符串：");
    String string01 = scanner.next();
    System.out.println(string01);


        for(int i = 0,j = string01.length() - 1 ; j >= 0 && i <= string01.length() -1 ; i++,j--){
            if(string01.charAt(i) != string01.charAt(j)){
                System.out.println("不是回文数");
                break;
            }else if(i == j || i == j-1){  //字符串是单数还是双数
                System.out.println("是回文数");
            }
    }
}

@Test
    public  void zuoye17(){   //判断是否是回文数
        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入字符串：");
        String string01 = scanner.next();
        System.out.println(string01);
        
        for(int i = 0,j = string01.length() - 1 ; j >= 0 && i <= string01.length() -1 ; i++,j--){
            if(string01.charAt(i) != string01.charAt(j)){
                    System.out.println("不是回文数");
                    break;
                }else if(i == j || i == j-1){  //字符串是单数还是双数
                    System.out.println("是回文数");
                }
        }
    }