Java code Help

public class test extends JApplet implements ActionListener {
	private JLabel sentLabel;
	private JTextField sentence;
	private JTextArea outputArea;
	int array[ ];
	int len,len2,pick;
	char letter;

	public void init( )
	{
		//set up window
		Container container = getContentPane( );
		container.setLayout( new FlowLayout ( ) );		//change layout

		//set up textLabel and textField
		sentLabel = new JLabel("Enter a sentence: ");
		container.add(sentLabel);
		sentence = new JTextField(60);
		container.add(sentence);


		//add listener
		sentence.addActionListener(this);


	} //end of init method

	public void actionPerformed (ActionEvent event)
	{
		//create array and populate
		array = new int[25];
			for (int b=0; b<array.length; b++)
			{  array[ b ] = 0;  }

		//take sentence, put it on status line, and clear textbox
		String message = sentence.getText();
		showStatus(message);
		sentence.setText(" ");
//---------------------------- Everything Works above -------

		len = message.length();		//get length of string
		//search string with array

		for(int j=0; j < len; j++) {
		letter = message.charAt(j);  //get character from string
		char chlet = Character.toUpperCase(letter); //change character to Upper case
		pick = ((int)(chlet));			//casting letter to ASCII
			//increment array with character count
			if (pick >= 65 || pick <= 90)
			{
			array[pick-65]++;

			}

		}
		len2 = array.length;
		for(int p=0; p < len2;p++)
		 {outputArea.setText(" "+array[p]);}


	}//end of actionPerformed

}