Blog Archives
Page 1 of 7
1 2 3 7

01: JUnit with Mockito step by step

Step 1: Create a simple maven project say “code-quality”

Step 2: Import into eclipse.

#1. Validator code & unit testing

Step 3: Validator interface & implementation

Step 4: Write a unit test to test the “ValidatorImpl.java”.

Read more ›



01: jvisualvm tutorial to sample Java heap memory

Java does not have a sizeof operator like C++ does. Java uses automatic memory management known as the Garbage Collection, hence it is not that important to evaluate size of various objects. But, for the purpose of learning & fixing any potential memory issues, I have used “jvisualvm”, … Read...

Members Only Content
Log In Register Home


02: jvisualvm to detect memory leak – a quick tutorial style Java demo

This is a companion post to 8 Java Memory Management Interview Q&A demonstrating a memory leak scenario step by step with jvisualvm, which is a free profiling tool that gets shipped with JDK.

Step 1: Code that causes memory leak

Here is a sample code that causes memory leak.

Read more ›



02: Unit testing with JUnit, Mockito & Spring

Step 1: Create a simple Maven project from a command-line. Just press enter for all the prompts.

Step 2: Import the above “simple-mocking-test” in the file system into eclipse. File –> Import –> “Existing Maven Projects” and then select the “simple-mocking-test”

Read more ›



03: Mockito to fully mock the DAO layer

This extends Part 1: Unit testing with JUnit, Mockito & Spring by mocking the DAO layer with the Mockito framework. Step 1: Service and DAO layer interfaces and implementations Service Layer DAO Layer This layer will be mocked by Mockito in the next step. … Read more ›...

Members Only Content
Log In Register Home


Page 1 of 7
1 2 3 7

800+ Java Interview Q&As Menu

Top