package chapter_13; /** * (Enable Rectangle comparable) Rewrite the Rectangle class in Listing 13.3 to * extend GeometricObject and implement the Comparable interface. Override * the equals method in ...

User Interaction: A separate class with a main method uses the JOptionPane class to: Prompt the user for length and breadth. Create a Rectangle object based on user input. Display the length, breadth, ...

Java performance programming: Read the whole series! Part 1. Learn how to reduce program overhead and improve performance by controlling object creation and garbage collection Part 2. Reduce ...