Coding newbie, please help
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Thread: Coding newbie, please help

  1. #1
    Join Date
    Oct 2010
    Posts
    1

    Coding newbie, please help

    I need help creating an applet that adds two integers. I have it layed out how I want to, but I dont know where to put the method or how to call it. I know I add some int x= and int y= somewhere, but not sure exactly.

    Code:
    /*    document segment
        filename:    ActionApplet
        author:        Walker
        date:            october.2010
    */
    
    import java.awt.*;
    import javax.swing.*;
    import java.awt.event.*;
    
    public class addNumbers extends JApplet implements ActionListener
    {
        /* ----------------------------- declarations */
    
        // color objects
        Color white = new Color(255, 255, 255);
        Color black = new Color(0, 0, 0);
    
    
    
        // components
        JLabel inputLabelJLabel;
        JTextField inputLabelJTextField;
    
        JLabel outputLabelJLabel;
        JTextField outputLabelJTextField;
        
        JLabel finalLabelJLabel;
        JTextField finalLabelTextField;
    
        JButton enterJButton;
        JButton clearJButton;
    
    
    
        // variables
        String inputName;
        String outputName;
        
    
    
        public void init()
        {
            setLayout(null);
            setSize(400, 400);
    
            /* ------------------- initialization */
            inputLabelJLabel = new JLabel();
            inputLabelJLabel.setBounds(100, 50, 150, 20);
            inputLabelJLabel.setFont(new Font("Default", Font.PLAIN, 12));
            inputLabelJLabel.setText("Enter First Integer");
            inputLabelJLabel.setForeground(black);
            inputLabelJLabel.setHorizontalAlignment(JLabel.LEFT);
            add(inputLabelJLabel);
    
            inputLabelJTextField = new JTextField();
            inputLabelJTextField.setBounds(230, 50, 150, 20);
            inputLabelJTextField.setFont(new Font("Default", Font.PLAIN, 12));
            inputLabelJTextField.setHorizontalAlignment(JTextField.CENTER);
            inputLabelJTextField.setForeground(black);
            inputLabelJTextField.setBackground(white);
            inputLabelJTextField.setEditable(true);
            add(inputLabelJTextField);
    
            outputLabelJLabel = new JLabel();
            outputLabelJLabel.setBounds(100, 80, 150, 20);
            outputLabelJLabel.setFont(new Font("Default", Font.PLAIN, 12));
            outputLabelJLabel.setText("Enter Second Interger");
            outputLabelJLabel.setForeground(black);
            outputLabelJLabel.setHorizontalAlignment(JLabel.LEFT);
            add(outputLabelJLabel);
    
            outputLabelJTextField = new JTextField();
            outputLabelJTextField.setBounds(230, 80, 150, 20);
            outputLabelJTextField.setFont(new Font("Default", Font.PLAIN, 12));
            outputLabelJTextField.setHorizontalAlignment(JTextField.CENTER);
            outputLabelJTextField.setForeground(black);
            outputLabelJTextField.setBackground(white);
            outputLabelJTextField.setEditable(true);
            add(outputLabelJTextField);
            
            finalLabelJLabel = new JLabel();
            finalLabelJLabel.setBounds(100, 110, 150, 20);
            finalLabelJLabel.setFont(new Font("Default", Font.PLAIN, 12));
            finalLabelJLabel.setText("Addition Results");
            finalLabelJLabel.setForeground(black);
            finalLabelJLabel.setHorizontalAlignment(JLabel.LEFT);
            add(finalLabelJLabel);
            
            finalLabelTextField = new JTextField();
            finalLabelTextField.setBounds(230, 110, 150, 20);
            finalLabelTextField.setFont(new Font("Default", Font.PLAIN, 12));
            finalLabelTextField.setHorizontalAlignment(JTextField.CENTER);
            finalLabelTextField.setForeground(black);
            finalLabelTextField.setBackground(white);
            finalLabelTextField.setEditable(false);
            add(finalLabelTextField);
    
    
            enterJButton = new JButton();
            enterJButton.setBounds(100, 300, 100, 20);
            enterJButton.setFont(new Font("Default", Font.PLAIN, 12));
            enterJButton.setText("Enter");
            enterJButton.setForeground(black);
            enterJButton.setBackground(white);
            add(enterJButton);
            enterJButton.addActionListener(this);
    
            clearJButton = new JButton();
            clearJButton.setBounds(210, 300, 100, 20);
            clearJButton.setFont(new Font("Default", Font.PLAIN, 12));
            clearJButton.setText("Clear");
            clearJButton.setForeground(black);
            clearJButton.setBackground(white);
            add(clearJButton);
            clearJButton.addActionListener(this);
        
            
    
        }
    
        public void actionPerformed(ActionEvent event)
        {
            Object obj = event.getSource();
    
            /* the following lines of code are commented out,
               remove the // to un-comment after the components
               are initialized */
    
            if(obj == enterJButton)
            {
                getFirstMethod();
            }
            else if(obj == clearJButton)
            {
                clearAll();
            }
        }
    
        public void getFirstMethod()
        {
    
        }
        public void getOutput()
        {
            outputLabelJTextField.setText("" + inputName);
        }
    
        public void clearAll()
        {
            inputLabelJTextField.setText("");
            inputLabelJTextField.requestFocusInWindow();
            outputLabelJTextField.setText("");
        }
    }

  2. #2
    Join Date
    May 2006
    Location
    UK
    Posts
    4,473

    Re: Coding newbie, please help

    I have it layed out how I want to
    Have you written all of this code or is this the code your teacher gave to you to complete?
    but I dont know where to put the method or how to call it
    What method? You might know what you are trying to do but we don't.

    Please explain exactly what this method is supposed to do so we can help you.
    Posting code? Use code tags like this: [code]...Your code here...[/code]
    Click here for examples of Java Code

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