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Code for “Lets Go”

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {

jTextArea1.append(jTextField1.getText());

}

Code for “Clear Line”

private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {

jTextField1.setText("");

}

Code for “Space”

private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {

jTextArea1.append("");

}

Q5. Simple Interest Calculation.