Java Programming for absolute beginner- P22 pps

... code listing for Block .java: /* * Block * Defines a collection of squares within a square grid area * that can be rotated and have a certain color. */ import java. awt.Point; import java. awt.Color; public ... listener interface for listening for these events, and a mechanism for firing the events and adding and removing event listeners. A simple way to create an event class is t...

Ngày tải lên: 03/07/2014, 05:20

... HelloWeb Applet 2 What Is Java? 3 Java Is a Programming Language 4 Java Is Platform Independent 4 Java Is Object-Oriented 5 Why Learn Java? 7 Java Is Relatively Easy to Learn 7 Java Works Everywhere ... demonstrate programming concepts that you can apply to any kind of Java programming solution. Many companies use Java because of its platform independence. Another use of...

Ngày tải lên: 03/07/2014, 05:20

... grow and evolve. Java Is a Programming Language Granted, the title of this book is Java Programming for the Absolute Beginner, so I’m sure that you understand that Java is a programming language. ... of code does. Java Is Platform Independent One of the most appealing aspects of Java is its platform independence. Java is platform independent because you can run Java pr...

Ngày tải lên: 03/07/2014, 05:20

... interface, which prompts the user for some information, allows the user to enter this information, processes the information, and outputs the information in a new form for the user to ingest. These ... applets. Java- enabled Web browsers typically have a Java console, or window that displays these types of messages. For example, if you’re using Internet Explorer, you can call up the...

Ngày tải lên: 03/07/2014, 05:20

... methods for examining and operating on its individual characters. It also has methods for searching strings, for comparing them, concatenating them (appending one string to another), for extracting ... arithmetic operators work in Java. Here is a list- ing of the source code for MathGame .java: /* * MathGame * Demonstrates integer math using arithmetic operators */ import java....

Ngày tải lên: 03/07/2014, 05:20

... Statements … … Java Statements … … Java Statements … … Java Statements … FIGURE 3.9 The flowchart shows that a Java program executes one of two sets of statements depending on the value of the condition. JavaProgAbsBeg-03.qxd ... are listed. For example, there are versions of Math.abs() that accept data types: int, long, float, and double. Refer to the Math class in the Java docu...

Ngày tải lên: 03/07/2014, 05:20

... { java_ statements _for_ true_condition1; } else if (condition2) { java_ statements _for_ true_condition2; } else { java_ statements _for_ false_conditions; } If condition1 is true, the program executes java_ statements _for_ true_condi- tion1 . ... evaluated after any assignments or operations are performed, whereas the prefix increment is evaluated before any assignments or operations a...

Ngày tải lên: 03/07/2014, 05:20

... ^= in Java for Boolean logical operations, as well as <<=, >>=, and <<<= for bit shift operations. These operations are out of the scope of this book. For more information ... every for loop you’ve encountered counts forwards, but you can also write a for loop in such a way that it counts backwards. You might want to do this in your Java programs in order...

Ngày tải lên: 03/07/2014, 05:20

... remove this watermark. Object-oriented programming, OOP for short, is central in learning Java. Java is a strictly object-oriented program- ming language. In every Java program you’ve written thus far, ... represent the cards. The last character rep- resents the suit: C is for clubs, D is for diamonds, H is for hearts, and S is for spades. The dealer’s hidden card is represen...

Ngày tải lên: 03/07/2014, 05:20

... values are restricted to either 2 through 10, for playing cards of the same face value, or 11 for a Jack, 12 for a Queen, 13 for a King, and 14 for an Ace. The Card class provides corresponding ... is a char rep- resentation of four possible suits of a playing card: C for Clubs, D for Diamonds, H for Hearts, and S for Spades. The Boolean visible variable specifies whether...

Ngày tải lên: 03/07/2014, 05:20