How to implement the Comparable interface
You can only use the sort method of the Arrays class to sort arrays of objects when the classes […]
Read More →You can only use the sort method of the Arrays class to sort arrays of objects when the classes […]
Read More →There are two ways to define an array: type[] arrayName; type arrayName[]; How to initialize: arrayName = new type[length]; […]
Read More →An enumeration is a set of related constants that define a type. The constants are defined with the int […]
Read More →The javadoc tool lets you generate HTML-based documentation like the documentation for Java API. A javadoc comment starts with […]
Read More →com.qbw.* myDirStructure myDirApp.java qbw businessLogic Product.java LineItem.java dataAccessLayer ProductDB.java presentation Validator.java The packages would be: com.qbw com.qbw.businessLogic com.qbw.dataAccessLayer com.qbw.presentation
Read More →The syntax for declaring an interface public interface InterfaceName { type CONSTANT_NAME = value; // declares a const field […]
Read More →An abstract class is a class that can't be instantiated. You can not create an object directly from an […]
Read More →The final key word can be used on the following: classes methods parameters You can use the keyword whenever […]
Read More →To test if two objects point to the same space in memory, you can use the equals mthod of […]
Read More →The syntax for creating subclasses: Description Syntax To declare a subclass public class SubclassName extends SuperClassName{} To call a […]
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