Java junit sample code

 

import org.junit.Test;
import static org.junit.Assert.*;

public class MyMathTest {
    
    @Test
    public void testAdd() {
        MyMath math = new MyMath();
        int result = math.add(2, 3);
        assertEquals(5, result);
    }
    
    @Test
    public void testSubtract() {
        MyMath math = new MyMath();
        int result = math.subtract(5, 2);
        assertEquals(3, result);
    }
    
}

class MyMath {
    
    public int add(int a, int b) {
        return a + b;
    }
    
    public int subtract(int a, int b) {
        return a - b;
    }
    
}