package MyString;
import java.util.Scanner;
/*
Use StringBuilder to complete string inversion
Analysis: 1. Enter a string on the keyboard
2. Write method to implement string inversion
--toString converted to String
3. Calling methods
4. Output result
*/
public class StringTest02 {
public static void main(String[] args) {
System.out.println("Please enter a string:");
Scanner sc = new Scanner(System.in);
String s = sc.nextLine();
String s1 = StringReverse(s);
System.out.println("S1 after reversal:"+s1);
}
/*
Two clear:
Return value type: String
Parameter list: String
*/
public static String StringReverse(String s){
StringBuilder sb = new StringBuilder(s);
sb.reverse();
String s1 = sb.toString();
return s1;
}
}