List of Natural Numbers - Netbeans Java Codes

You can also download text file of this code here:  NaturalNum.txt

Java Code:

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
                int a = Integer.parseInt(txt1.getText());
for (int I = 1; I<=a; I++)
            txt2.setText(txt2.getText() + " " + Integer.toString(I));
    }                                        

private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {                                         
           System.exit(0);
    }              
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