Question

输入一句话,逆序输出,用java写

Answer 1

import java.util.*;

public class demo {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String line = sc.nextLine();
		System.out.println(new StringBuilder(line).reverse().toString());
	}
	
}

Answer 2

String s="123456";
System.out.println(s);
System.out.println(new StringBuilder(s).reverse().toString());

Answer 3

String ss="你好，中国";
char[] charArray = ss.toCharArray();
for (int i = 0; i < charArray.length; i++) {
System.out.print(charArray[charArray.length-i-1]);
}

Answer 4

public class E {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.println(E.DaoXu("1234567890"));
}
public static String DaoXu(String str){
StringBuffer stringBuffer = new StringBuffer();
for (int i = str.length()-1; i >= 0; i--) {
stringBuffer.append(String.valueOf(str.charAt(i)));
}
return stringBuffer.toString();
}
}