Introduction

Content

Apply

Reflect

Extend

Listing of StringReverse.java

// StringReverse.java
// Create a String object whose characters are the reverse of another String object
// <APPLET code="StringReverse.class" width=275 height=200></APPLET>
import java.applet.Applet;
import java.awt.*;

public class StringReverse extends Applet
  {
  // instance variables
  String forwards = new String("hello");
  String backwards = "";
  public void paint (Graphics g)
    {
    g.drawString( "forwards: " + forwards, 20, 20 );
    int lastCharPos = (forwards.length() - 1);
    int i;
    for( i = lastCharPos; i >= 0; i-- )
    backwards = new String( backwards + forwards.charAt( i ) );
    g.drawString( "backwards: " + backwards, 20, 40 );
   }
  }

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