Methods in Java: Parameters, Return Values, and Overloading
Executive Summary: Java methods are defined by a signature and a body, and Java passes everything by value,…
Category
Java
This Java programming series goes from first classes to production Spring Boot apps. It has more than seventy posts, so it works as a full course.
Early posts cover the language and collections. Later, JDBC fundamentals and JPA and Hibernate add data access. Finally, testing Spring Boot apps ties it all together.
74 articles
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Control Flow in Java: if, switch, Loops, and Modern switch Expressions
Executive Summary: Java control flow covers sequence, branching, loops, and switch. Here I show when to use each…
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Variables, Primitive Types, and Operators in Java
Executive Summary: Java variables are statically typed, and the language has eight primitive types with fixed sizes on…
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Installing JDK, Setting Up IntelliJ IDEA, and Your First Java Program
Executive Summary: I’ll set up a Java development environment: install JDK 21 from a distribution like Eclipse Temurin,…