Arithmetic calculator Java

 Arithmetic calculator.

G.U.I

Coding for add button:

int num1=Integer.parseInt(tf1.getText());

int num2=Integer.parseInt(tf2.getText());

int result=num1+num2;

tf3.setText(""+result); }

coding for subtract button:

int num1=Integer.parseInt(tf1.getText());

int num2=Integer.parseInt(tf2.getText());

int result=num1-num2;

tf3.setText(""+result);

coding for multiply button:

int num1=Integer.parseInt(tf1.getText());

int num2=Integer.parseInt(tf2.getText());

int result=num1*num2;

tf3.setText(""+result);

coding for division button:

int num1=Integer.parseInt(tf1.getText());

int num2=Integer.parseInt(tf2.getText());

int result=num1/num2;

tf3.setText(""+result);

coding for clear button:

tf1.setText("");

tf2.setText("");

tf3.setText("");

coding for exit button :

System.exit(0);

Run time screenshot: