Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields ...

Classes and objects in Java must be initialized before they are used. ... Each assignment’s value must be type-compatible with the class field’s type. Each variable stores the value directly, ...

Consider the following sample code for the hero in an adventure game. Our hero has two instance variables: hitPoints (the amount of damage the hero can take until death) and an array of items ...

Course work for Coursera Online class Object Oriented Programming in Java Specialization - xiaomei7/Coursera ... Generate visual maps using Java code and the Unfolding Maps libraries Create and draw ...

Static methods are ones that aren't passed in any instance variables. As such, if you move static methods and static variables into a single utility class, you can look at the remaining properties and ...