Tag: Java

Convert between types with widening and narrowing casts.

Use arithmetic, relational, logical, assignment, and unary operators.

Print with System.out and read input with Scanner.

Start learning Java with a clear roadmap from basics to JDBC, APIs, and a final application project.

Understand Java as a compiled, object-oriented language that runs on the JVM.

Explore Java features: platform independence, OOP, strong typing, memory management, and a rich standard library.

Know the difference between JDK, JRE, and JVM so you install the right tools.

Install a modern JDK and verify java/javac from the terminal.

Configure IntelliJ IDEA or Eclipse with a JDK for Java development.

Write, compile, and run your first Hello World Java program.