swing text box code example

Example 1: get value textfield java

button.addActionListener(new ActionListener(){
   public void actionPerformed(ActionEvent ae){
      String textFieldValue = testField.getText();
      // .... do some operation on value ...
   }
})

Example 2: get text from a jtextfield

JTextField yourInpuFieldt = new JTextField(16);
yourInputField.setText("put your text here");  
String x = yourInputField.getText();