Classes, fields, methods, constructors, and objects are the building ... double y) { // drawing code } static void copy() throws java.io.IOException // I'll discuss throws and exceptions ...

Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

Java's Graphics2D class provides methods to draw primitive shapes, such as lines, rectangles and ellipses. It lacks a method for drawing pixels. You can color a single pixel in a Java drawing by ...

That means instance variables are assigned as follows: The class in this example only defines properties. It contains no explicitly defined Java constructors. When no explicitly defined constructors ...