Object Oriented Programming using Java phần 1 pot

... number 0 TUESDAY is day number 1 21 Contents 1 Introduction to Objects 11 1. 1 What is Object Oriented Programming? . . . . . . . . . . . . . . . . . . . 11 1. 1 .1 Programming Paradigms . . . . ... . . . . . . . 12 1. 1.2 Object Orientation as a New Paradigm: The Big Picture . . . . . 14 1. 2 Fundamentals of Objects and Classes . . . . . . . . . . . . . . . . . . . ....

Ngày tải lên: 12/08/2014, 21:21

... a Jack, Queen, or King is 10 . • The value of an Ace can be either 1 or 11 . An Ace should be counted as 11 unless doing so would put the total value of the hand over 21. Note that this means that ... any ace as 1 . / / I f th er e i s an ace , and i f changing i t s val u e from 1 to / / 11 would l eave the score l e s s than o r equal t o 21 , / / then do so by adding t he ex tr...

Ngày tải lên: 12/08/2014, 21:21

... numbers.add (17 ) or numbers.remove(42). You can’t literally add the primitive type value 17 to num- bers, but Java will automatically convert the 17 to the corresponding wrapper object, new Integer (17 ), ... a Java program, you need a try statement. The try statements that we have used so far had a syntax similar to the following example: try { double determinant = M[0][0]∗M [1] [1]...

Ngày tải lên: 12/08/2014, 21:21

... whether std1.test1 == std2.test1 && std1.test2 == std2.test2 && std1.test3 == std2.test3 && std1.name.equals(std2.name)} I’ve remarked previously that Strings are objects, ... rejoice. 1. 2.6 Everything is NOT an object Wrapper Classes and Autoboxing Recall that there are two kinds of types in JAVA: primitive types and object types (Classes). In some object- or...

Ngày tải lên: 12/08/2014, 21:21

... of using enumerated types in this example at the end of the chapter.) The possible values of a card are the numbers 1, 2, , 13 , with 1 standing for an ace, 11 for a jack, 12 for a queen, and 13 ... for the standard Java API was produced using javadoc. Javadoc documentation is prepared from special comments that are placed in the Java source code file. Recall that one type of J...

Ngày tải lên: 12/08/2014, 21:21

... . . . . 11 2 6.3 Applets and HTML . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 3 6.3 .1 JApplet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 3 6.3.2 Reusing Your ... . . . . . . 11 5 6.3.3 Applets on Web Pages . . . . . . . . . . . . . . . . . . . . . . . 11 7 6.4 Graphics and Painting . . . . . . . . . . . . . . . . . . . . . . . . . . 11 9 6.4 .1...

Ngày tải lên: 12/08/2014, 21:21

... RandomStringsPanel import java. awt.Color; import java. awt.Font; import java. awt.Graphics; import javax.swing.JPanel; 12 6 import java. awt.∗; import java. awt.event.∗; import javax.swing.∗; public class ... illustration shows a 16 -by -10 pixel component 12 1 has no way of knowing that some other object would like to listen for events from the button. This example shows a general...

Ngày tải lên: 12/08/2014, 21:21

... a new line of text.) 14 2 g.drawImage(img, dest_x1, dest_y1, dest_x2, dest_y2, source_x1, source_y1, source_x2, source_y2, imageObserver); the integers source x1, source y1, source x2, and source ... changes at all to that class: import java. awt.Component; import java. awt.event.MouseEvent; import java. awt.event.MouseListener; import javax.swing.JFrame; 13 3 even if the message is very...

Ngày tải lên: 12/08/2014, 21:21

... card’s rank (1= ACE, 2 -10 =cards 2 to 10 , 11 =JACK, 12 =QUEEN, 13 =KING). e.g. c12 is the Queen of clubs; d1 is the Ace of Diamonds; h8=8 of hearts. There are two images of the back of a card (b1fv.gif ... int ace = 1; public static final int jack = 11 ; public static final int queen = 12 ; public static final int king = 13 ; public static final int red = 0; public static final in...

Ngày tải lên: 12/08/2014, 21:21

... . . . . . . 210 10 .1. 4 Reading Text . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211 10 .1. 5 The Scanner Class . . . . . . . . . . . . . . . . . . . . . . . . . 212 10 .2 Files . . ... . . . . . 213 10 .2 .1 Reading and Writing Files . . . . . . . . . . . . . . . . . . . . . 214 10 .2.2 Files and Directories . . . . . . . . . . . . . . . . . . . . . . . . 217 10 .3 Pro...

Ngày tải lên: 12/08/2014, 21:21