In this tutorials will teach you how to add two number using OOP concepts. This is an important for developing a java projects. there are many students who struggling with this area. so that I bring this article for all to clear the doubts.
After that you have to create the class Cal.java
public class Cal { public int num1,num2,tot; // Create the Variables with Public Access specifier public int Add() // Create the Method { tot = num1 + num2; return tot; } }
Cal c = new Cal(); c.num1 = Integer.parseInt(txtNum1.getText()); c.num2 = Integer.parseInt(txtNum2.getText()); txttot.setText(String.valueOf(c.Add()));
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