35 lines
1.1 KiB
Java
35 lines
1.1 KiB
Java
// ******************************************************************
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// Backwards.java
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//
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// Uses a recursive method to print a string backwards.
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// ******************************************************************
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import java.util.Scanner;
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public class Backwards
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{
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//--------------------------------------------------------------
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// Reads a string from the user and prints it backwards.
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//--------------------------------------------------------------
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public static void main(String[] args)
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{
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String msg;
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Scanner scan = new Scanner(System.in);
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System.out.print("Enter a string: ");
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msg = scan.nextLine();
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System.out.print("\nThe string backwards: ");
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printBackwards(msg);
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System.out.println();
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}
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//--------------------------------------------------------------
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// Takes a string and recursively prints it backwards.
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//--------------------------------------------------------------
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public static void printBackwards(String s)
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{
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if (s.isEmpty()) {
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return;
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}
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System.out.print(s.charAt(s.length() - 1));
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printBackwards(s.substring(0, s.length() - 1));
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// Fill in code
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}
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} |