Pedro Lopes

What are Records in Java 14

Jan 30, 2023 · 6 min read · oop java java 14 ·

This article shows the details behind the Record keyword introduced in Java 14. We'll look at their purpose, how to use them, real-world applications, and a cheat sheet to ace your upcoming interviews and exams.

Checked vs. Unchecked Exceptions in Java

Jan 23, 2023 · 5 min read · java ·

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Checked vs. Unchecked Exceptions in Java

In this tutorial, we'll look at the differences between checked and unchecked exceptions, when to use each, and how to handle them properly using try/catch and throws.

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.