判断一个字符串是否是对称字符串(方法改进) (一个一个比较)例如"abc"不是对称字符串,"aba"、"abba"、"aaa"、"mnanm"是对称
import java.util.Scanner;
public class aatest {
public static void main(String[] args) {
Scanner sc= new Scanner(System.in);
String str = sc.nextLine();
char[] chars = str.toCharArray();
boolean check = check(chars);
if(check){
System.out.println("字符串是对称字符串");
}else {
System.out.println("字符串是非对称字符串");
}
}
public static boolean check(char[] chars){
boolean panduan = true;
int length = chars.length;
//判断字符串的长度是偶数
if(length%2==0){
for (int i = 0; i < chars.length; i++) {
if(chars[i]==chars[chars.length-1-i]){
panduan =true;
}else {
panduan =false;
break;
}
}
}else { //字符串的长度是奇数
for (int i = 0; i < chars.length; i++) {
if(i==chars.length/2){
break;
}else {
if(chars[i]==chars[chars.length-1-i]){
panduan =true;
}else {
panduan =false;
break;
}
}
}
}
return panduan ;
}
}



