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g.setColor(Color.lightGray); g.fillRect(80,100,110,90); g.setColor(Color.red); g.fillRect(200,0,45,45); g.fillRect(0,100,70,200); g.setColor(Color.magenta); g.fillRect(200,55,60,135); } public void stop() { System.out.println(”>> stop destroy

name, java.applet.Applet, when it s needed. It gets pretty inconvenient to type such long names, however, so Java allows you to import a class or package. The import statement import java.applet.Applet; at the start of the source file allows you to use Applet as a shorthand for the fully […]

operations, such as drawing or filling, will use the given Color object. The sidebar shows a list of static constants that are defined in the Color class. To set the color to green, for example, use g.setColor(Color.green); // g is a Graphics object java.awt.Color Predefined colors: (These are static […]

Black Art of Java Game Programming by Joel Fan Sams, Macmillan Computer Publishing ISBN: 1571690433 Pub Date: 11/01/96 Previous Table of Contents Next Creating Graphics Graphics operations are performed by a Graphics object (also known as a Graphics context). Graphics is a class that s defined in […]

The applet tag tells the Web browser (or appletviewer) the dimensions, in pixels, required by the applet. After the browser loads the HTML file, it fetches the applet, places the applet on the screen with the desired dimensions, and executes the applet. In this particular case, the browser will set aside […]

} Figure 1-13 Circular linked list Upon compiling and running CircularList.java, the output will be an infinite sequence 1, 2, 3, 1, 2, 3, 1, and so on, which means there s a circular list. We ll stay away from using linked lists in writing games, since arrays are simpler […]

// a single node of the list class Node { private int value; private Node next; // Node constructor public Node(int i) { value = i; // initialize value next = null; // no next node } // print value stored in this node […]

// x is unchanged!!!! int y[]; // y refers to array y = new int[2]; // y is allocated 2 ints y[0] = 17; // y[0] is assigned 17 foo2(y); // pass array variable y to foo2() System.out.println(”y[0] = ” + y[0]); // y[0] is changed!!!! } […]

Black Art of Java Game Programming by Joel Fan Sams, Macmillan Computer Publishing ISBN: 1571690433 Pub Date: 11/01/96 Previous Table of Contents Next In Java, variables of primitive types (numeric, character, and boolean types) are passed by value. In other words, the value of the variable, and not […]

The result is Java is FUN! The class Fun defines a method called main(). What meaning do the three keywords in front of main() have? public. This is an access specifier that states that any object can invoke main(). static. This means that main() is […]