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POruntime error with KeyAdapter, awt, swing on java. help spot the error
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copied!<p>hello im wrote some code i though it was going to work but it compiles and it doesnt even throws an exception or anything. it also creates the icon like its openned but i click it and it doesnt do anything please need help to know what am i doing wrong . heres the code of the class:</p> <pre><code>package practicagraficos8; import java.awt.*; import java.awt.event.*; import javax.swing.*; public class ventanatexto { public JFrame ventana; public String texto; ventanatexto(){ JFrame.setDefaultLookAndFeelDecorated(true); texto=""; ventana= new JFrame("teclado"); panel1 panel= new panel1(); ventana.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); ventana.add(panel); ventana.setVisible(true); ventana.addKeyListener(new handler()); } public class panel1 extends JPanel { @Override public void paint(Graphics g){ super.paint(g); Dimension dim= getSize(); g.clearRect(0, 0, dim.width, dim.height); g.drawString(texto, WIDTH, WIDTH); }; } class handler extends KeyAdapter{ @Override public void keyPressed(KeyEvent k){ char tecla= k.getKeyChar(); switch(tecla){ case 127:texto=""; break; case 8: if(texto.length()>0){texto=texto.substring(0, texto.length()-1);} break; default: if (texto.length()<15){texto+=tecla;} } ventana.repaint(); } }} </code></pre> <p>and here is my main:</p> <pre><code>package practicagraficos8; public class Practicagraficos8 { public static void main(String[] args) { ventanatexto prueba= new ventanatexto(); } } </code></pre>

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