java-tutorials/core-java-modules/core-java-lang-4

Core Java Lang (Part 4)

This module contains articles about core features in the Java language

• The Java final Keyword – Impact on Performance
• The package-info.java File
• What are Compile-time Constants in Java?
• Java Objects.hash() vs Objects.hashCode()
• Referencing a Method in Javadoc Comments
• Tiered Compilation in JVM
• Fixing the “Declared package does not match the expected package” Error
• Chaining Constructors in Java
• Difference Between POJO, JavaBeans, DTO and VO
• Implements vs. Extends in Java