Junit Test 4

import org.junit.jupiter.api.*;

import static org.junit.jupiter.api.Assertions.*;

class CalculatorTest {
    private final Calculator calculator=new Calculator();

    @BeforeAll
    static void init()
    {
        System.out.println("@BeforeAll - This method will start before all methods");
    }

    @AfterAll
    static void destroy()
    {
        System.out.println("@AfterAll - This method will start after all methods");
    }
    @BeforeEach
    void beforeEachTest()
    {
        System.out.println("@BeforeEach - This method will start Before each test");
    }
    @AfterEach
    void afterEachTest()
    {
        System.out.println("@AfterEach - This method will run after each test");
    }
    @Test
    void divideNormalNumbers() {
        System.out.println("Test divide normal number");
        assertEquals(3,calculator.divide(9,3));
        assertEquals(2,calculator.divide(4,2));
        assertEquals(0,0,2);
    }
    @Test
    void divideDecimalNumbers()
    {
        System.out.println("Divide decimal numbers");
        assertEquals(2.25,calculator.divide(9,4));
        assertEquals(0,calculator.divide(0,4.5));
        assertEquals(0.5,calculator.divide(1,2));
    }
}