Java - A simple dictionary using applet

	import java.awt.event.ActionEvent;
	import javax.swing.JButton;
	import javax.swing.JTextArea;
	import javax.swing.JTextField;

	/*
	 *
	 * @author dhanoopbhaskar
	 */
	public class Main extends javax.swing.JApplet implements java.awt.event.ActionListener {

	    JTextField textField = null;
	    JTextArea textArea = null;
	    JButton addButton = null;
	    JButton showButton = null;
	    String[] words = null;
	    String[] meanings = null;
	    int ptr = -1;

	    public Main() {
	        initComponents();
	        setLayout(null);       
	        add(textArea);
	        add(textField);
	        add(addButton);
	        add(showButton);
	    }

	    public void actionPerformed(ActionEvent e) {
	        if(e.getSource() == addButton) {
	            String word = textField.getText();
	            String meaning = textArea.getText();

	            words[++ptr] = word;
	            meanings[ptr] = meaning;

	            textArea.setText("");
	            textField.setText("");           
	        }
	        if(e.getSource() == showButton) {
	            String word = textField.getText();
	            String meaning = "";
	            boolean found = false;
	            for(int i = 0 ; i <= ptr ; i++) {
	                if(word.equalsIgnoreCase(words[i])) {
	                    textArea.setText(meanings[i]);
	                    found = true;
	                }
	            }

	            if (found == false) {
	                textArea.setText("Error: Not found !!!");
	            }
	        }
	    }

	    private void initComponents() {
	        words = new String[20];
	        meanings = new String[20];
	        textField = new JTextField(20);
	        textArea = new JTextArea();
	        addButton = new JButton("Add");
	        showButton = new JButton("Show");
	        addButton.addActionListener(this);
	        showButton.addActionListener(this);
	        textField.setBounds(5, 5, 250, 30);
	        textArea.setBounds(5, 40, 250, 100);
	        addButton.setBounds(5, 150, 70, 20);
	        showButton.setBounds(185, 150, 70, 20);
	    }

	}