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Java Programming Code Examples

Java > Core Java Code Examples

Finding the maximum of three doubles

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Finding the maximum of three doubles import java.awt.Container; import javax.swing.*; public class DoubleMax 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 ) ); } }