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How to make a simple calculator in Java(Net Beans) which can add two numbers.

After Making a calculator design in netbeans you have to apply some event listener on it. So i m giving the code you have to write it in the eventlistener on the add button.

<——Start——>

float num1,num2,result;

num1=Float.parseFloat(txtfield1.getText());

num1=Float.parseFloat(txtfield2.getText());

//Now we can perform the addition.

result = num1+num2;

txtfieldresult.setText(String.valueOf(result));

<—–End—–>

Remeber You have to change the variable names of text field to txtfield1,txtfield2 and txtfieldresult .

after completing this you have to press shift +F6 and the program will be run..