Execution order of lifecycle methods in JUnit - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the purpose of the @BeforeAll annotation in JUnit?

The @BeforeAll method runs once before all tests in the class. It is used to set up shared resources needed for all tests.

beginner

In what order do JUnit lifecycle methods execute around each test?

For each test, JUnit runs @BeforeEach, then the test method, then @AfterEach.

beginner

When is the @AfterAll method executed in JUnit?

The @AfterAll method runs once after all tests in the class have finished. It is used to clean up shared resources.

beginner

True or False: @BeforeEach methods run before every test method in JUnit.

True. @BeforeEach methods run before each test method to prepare the test environment.

intermediate

What is the difference between @BeforeAll and @BeforeEach in JUnit?

@BeforeAll runs once before all tests; @BeforeEach runs before each individual test method.

Which JUnit annotation runs a method once before all tests in a class?

A @AfterEach

B @BeforeEach

C @BeforeAll

D @AfterAll

@BeforeAll runs once before all tests to set up shared resources.

What is the correct order of execution for lifecycle methods around a single test?

A @BeforeAll → Test → @AfterAll

B @AfterEach → Test → @BeforeEach

C @AfterAll → Test → @BeforeAll

D @BeforeEach → Test → @AfterEach

For each test, JUnit runs @BeforeEach, then the test, then @AfterEach.

When does the @AfterAll method run in JUnit?

A Once after all tests

B Before each test

C After each test

D Before all tests

@AfterAll runs once after all tests to clean up shared resources.

Which annotation is used to run code before every test method?

A @BeforeEach

B @AfterEach

C @AfterAll

D @BeforeAll

@BeforeEach runs before each test method to prepare the test environment.

What is the main difference between @BeforeAll and @BeforeEach?

A @BeforeAll runs after all tests; @BeforeEach runs before all tests

B @BeforeAll runs once before all tests; @BeforeEach runs before each test

C @BeforeAll runs before each test; @BeforeEach runs once before all tests

D No difference

@BeforeAll runs once before all tests; @BeforeEach runs before each individual test.

Explain the execution order of JUnit lifecycle methods when running multiple tests in a class.

Think about setup and teardown steps that happen once versus those that happen for every test.

Describe the purpose of each JUnit lifecycle annotation: @BeforeAll, @BeforeEach, @AfterEach, and @AfterAll.

Consider when each method runs relative to the tests.