Java, Reverse a String with the Stringbuilder
Enter some words with the Scanner and print the reverted result in the console. Use the Stringbuilder to build the reverted String.
import java.util.Scanner;
public class Reverse {
private final String inputText(){
Scanner sc = new Scanner(System.in);
String input = sc.nextLine();
sc.close();
return input;
}
private final String revertText(final String input){
StringBuilder sb = new StringBuilder();
for(var n = input.length() - 1; n >= 0; n--){
sb.append(input.charAt(n));
}
return sb.toString();
}
public static void main(String[] args){
Reverse r = new Reverse();
final String input = r.inputText();
final String revert = r.revertText(input);
System.out.println(input);
System.out.println(revert);
}
}
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