Tag: Java

2 posts

Jul 28, 2026 16 min read Beginner

Java Variables and Types: Primitives, References, Casting and Autoboxing Pitfalls

Java primitives vs references: literal suffixes, silent int overflow, narrowing casts, String equality, Integer caching with ==, and unboxing NPEs.
Jun 25, 2026 18 min read Beginner

Java for Beginners | Install the JDK and Write Hello World

Start Java today: install OpenJDK 21, set JAVA_HOME, compile with javac, run on the JVM, and explore IntelliJ, Eclipse, or VS Code—plus syntax.