Page 105 - IP
P. 105
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
String a=jTextField1.getText();
a=a.toLowerCase();
if(a.equals("a")||a.equals("e")||a.equals("i")||a.equals("o")||a.equals("u"))
JOptionPane.showMessageDialog(this,"YES");
else
JOptionPane.showMessageDialog(this,"NO");
Q14. To display Number of characters in a word.