Object Oriented Programming using Java phần 6 pdf

... RandomStringsPanel import java. awt.Color; import java. awt.Font; import java. awt.Graphics; import javax.swing.JPanel; 1 26 import java. awt.∗; import java. awt.event.∗; import javax.swing.∗; public class ... and that it goes together very well with object oriented programming. (We will return to events and listeners in much more detail in later sections.) 6. 3 Applets and HTML A...

Ngày tải lên: 12/08/2014, 21:21

... adding an object to a Set has no effect if that object was already in the set. • coll.contains (object) –returns a boolean value that is true if object is in the collection. Note that object is ... 8 Generic Programming Contents 8.1 Generic Programming in Java . . . . . . . . . . . . . . . . . . . . 168 8.2 ArrayLists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

Ngày tải lên: 12/08/2014, 21:21

... 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 Java comment begins ... the command line using the command java −jar”. For example: java −jar JarFileName.jar 2 .6 Creating Abstractions IN THIS SECTION, we look at some specific examples of object- or...

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... subclass of Object , a variable of type Object can refer to any object whatsoever, of any type. Java has several standard data structures that are designed to hold Object s, but since every object ... like this can be done in most programming languages. The cen- tral new idea in object- oriented programming the idea that really distinguishes it from traditional programming...

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... . . . . . 137 6. 6.1 JButton . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139 6. 6.2 JLabel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 6. 6.3 JCheckBox ... called a static import, 100 Chapter 6 Graphical User Interfaces in JAVA Contents 6. 1 Introduction: The Modern User Interface . . . . . . . . . . . . . 1 06 6.2 The Basic GUI Application...

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... MouseAdapter to handle mouse events: import java. awt.Component; import java. awt.event.MouseEvent; import java. awt.event.MouseListener; import javax.swing.JFrame; 135 6. 7 Basic Layout COMPONENTS ARE THE ... make any changes at all to that class: import java. awt.Component; import java. awt.event.MouseEvent; import java. awt.event.MouseListener; import javax.swing.JFrame; 133 even if...

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... size(), isEmpty(), remove (Object) , add(T), and clear(). The add(T) method adds the object at the end of the list. The remove (Object) method involves first finding the object, which is not very ... order for arbitrary objects. Before objects can be sorted, some method must be defined for comparing them. Objects that are meant to be compared should implement the interface java. lang.Compara...

Ngày tải lên: 12/08/2014, 21:21

... differences in path names between plat- forms, Java has the class java. io.File . An object belonging to this class represents a file. More precisely, an object of type File represents a file name rather ... new files and can write data to files. In Java, such input and output can be done using streams. Human-readable character data is read from a file using an object belonging to th...

Ngày tải lên: 12/08/2014, 21:21