Hamza Belmellouki – Medium

Hamza Belmellouki

Hamza Belmellouki

Working With Nulls in the Java Ecosystem

A null value can appear anywhere in a Java application. In this post, we’ll see how to work with data you control as well as data you…

7 min readJan 31, 2021

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Working With Nulls in the Java Ecosystem

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Hamza Belmellouki

Twelve-Factor Application: Configuration in Spring

The Twelve-Factor application methodology is a collection of best practices that are designed to enable applications to be developed with…

6 min readOct 19, 2020

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Twelve-Factor Application: Configuration in Spring

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Hamza Belmellouki

Core Java: Date and Time

Since Java 8 Oracle completely rebuilt its Date/Time API. The new API is supposed to replace the old one.

6 min readMar 3, 2020

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Core Java: Date and Time

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Hamza Belmellouki

Java Generics: Type Erasure & Wildcards

Java generic types allow the compiler to perform type checking at compile-time.

3 min readFeb 22, 2020

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Java Generics: Type Erasure & Wildcards

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Hamza Belmellouki

Concurrency: Thread Safety In Java

What is Thread safety? How do you write thread-safe code?

6 min readFeb 5, 2020

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Concurrency: Thread Safety In Java

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Hamza Belmellouki
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Simplify Strategy Using Lambda Expression

Learn how to use the strategy design pattern to make your design flexible. And, how lambdas can simplify the implementation of this…

4 min readDec 30, 2019

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Simplify Strategy Using Lambda Expression

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Hamza Belmellouki

Core Java: Comparator vs. Comparable

How would you use the Comparable & Comparator? What are the best practices when using them? What is the difference between both of them?

5 min readDec 23, 2019

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Core Java: Comparator vs. Comparable

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Hamza Belmellouki

Apache Maven: Working With Build Profiles

Leverage the power of build profiles by using them in your projects

4 min readDec 15, 2019

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Apache Maven: Working With Build Profiles

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Hamza Belmellouki

Apache Maven: The most popular build automation tool for Java developers

Simplify the project build process with Maven

8 min readDec 3, 2019

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Apache Maven: The most popular build automation tool for Java developers

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Hamza Belmellouki

Introduction to AOP and Spring AOP

Do you use Spring AOP in your current Spring projects? If not this is for you!

4 min readNov 23, 2019

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Introduction to AOP and Spring AOP

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Hamza Belmellouki

Hamza Belmellouki

Hamza(@_HamzaBlm) is a self-taught developer and Java enthusiast. In his free time, he likes to blog about various technical topics at https://hamzablm.com

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