java | Pedro Lopes

Method Override vs Overload in Java

Nov 9, 2022 · 5 min read · java oop ·

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This tutorial shows the difference between method overriding and overloading and how to accomplish both in Java.

Shallow vs Deep Copy in Java

Nov 8, 2022 · 4 min read · java memory management ·

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This tutorial shows the differences between a shallow copy and a deep copy in Java.

Introduction to Unit Testing with JUnit and Mockito

Nov 7, 2022 · 3 min read · testing java junit ·

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Introduction to Unit Testing with JUnit and Mockito

In this tutorial, we'll see how to import and get into the first steps with the JUnit and Mockito testing frameworks.

Short Circuit Operators in Java

Oct 27, 2022 · 4 min read · java operators ·

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This article explains the logical AND (&&) and the logical OR (||) short-circuit operators and how to use them to improve our application's performance.

Concurrent Modification Exception in Java and How to Avoid it

Oct 20, 2022 · 3 min read · java thread safety ·

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Concurrent Modification Exception in Java and How to Avoid it

This article shows how the Concurrent Modification Exception appears when we update an iterator while iterating a regular collection and how to avoid that exception using concurrent collections.

Deadlock, Livelock, and Starvation in Java

Oct 15, 2022 · 7 min read · java thread safety ·

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Deadlock, Livelock, and Starvation in Java

In this article, we'll examine three thread problems associated with the liveness of a multi-thread application. The most common ones are deadlocks, livelocks, and starvation.