// Fig. 6.4: Maximum.java
// Finding the maximum of three doubles
import java.awt.Container;
import javax.swing.*;

public class Maximum extends JApplet {
   public void init()
   {
      JTextArea outputArea = new JTextArea();

      String s1 = JOptionPane.showInputDialog(
                     "Enter first floating-point value" );
      String s2 = JOptionPane.showInputDialog(
                     "Enter second floating-point value" );
      String s3 = JOptionPane.showInputDialog(
                     "Enter third floating-point value" );

      double number1 = Double.parseDouble( s1 );
      double number2 = Double.parseDouble( s2 );
      double number3 = Double.parseDouble( s3 );

      double max = maximum( number1, number2, number3 );

      outputArea.setText( "number1: " + number1 +
                          "\nnumber2: " + number2 +
                          "\nnumber3: " + number3 +
                          "\nmaximum is: " + max );

      // get the applet's GUI component display area
      Container c = getContentPane();

      // attach outputArea to Container c
      c.add( outputArea );
   }

   // maximum method definition
   public double maximum( double x, double y, double z )
   {
      return Math.max( x, Math.max( y, z ) );
   }
}

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 * (C) Copyright 1999 by Deitel & Associates, Inc. and Prentice Hall.     *
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