Java By Example PHẦN 4 pdf

... folder. 4. Type javac MyClass .java to compile the MyClass class. You'll then find the MyClass.class file in your CLASSES folder. 5. Type Listing 14. 4 and save it as Applet19 .java in your ... APPLET15 .JAVA: Using Functions in a Java Applet. Figure 13.1 : This is Applet16 running under Appletviewer. Listing 13.1 Applet16 .java: Using Variables to Track Scores. import java. awt...

Ngày tải lên: 12/08/2014, 19:21

... Checkbox("The Adventures of Javaman", group, true); checkbox2 = new Checkbox(" ;Java by Example& quot;, group, false); checkbox3 = new Checkbox(" ;Java and the Single Guy", ... Checkbox("The Adventures of Javaman", null, false); checkbox2 = new Checkbox(" ;Java by Example& quot;, null, false); checkbox3 = new Checkbox(" ;Java and the Sing...

Ngày tải lên: 22/07/2014, 16:21

... that was pressed. Force Java to redraw the applet. Tell Java that the event was handled. Handling Events Directly All of the events received by your applet are processed by the handleEvent() method, ... frame window. Figure 24. 1 shows the applet, the frame window, and the dialog box. Figure 24. 1 : This is DialogApplet running under Appletviewer. Listing 24. 1 DialogApplet .java: An...

Ngày tải lên: 22/07/2014, 16:21

... Average Length Columns 3 .44 82758E-2 4. 0 SupplierID 1.2987013E-2 8.0 SupplierID, ProductID Microsoft SQL Server 2000 Programming by Example 242 Figure 7 .4. Using the Properties form, ... Microsoft SQL Server 2000 Programming by Example 238 The number of UNIQUE constraints in a table is limited by the maximum number of indexes per table, which is 249 nonclustere...

Ngày tải lên: 08/08/2014, 22:20

... by 2.7 is not really 1 .44 444 444 , but rather something more like 1 .44 444 444 444 444 44. But even that answer isn't completely accurate. A more accurate answer would be 1 .44 444 444 444 444 444 444 444 444 444 444 . ... accurate answer would be 1 .44 444 444 444 444 444 444 444 444 444 444 . The more 4s you add to the answer the more accurate the answer becomes-yet, because th...

Ngày tải lên: 12/08/2014, 19:21

... another programmer) to read. 3 + 4 != 7 false 3 + 4 != 2 + 6 true 3 + 4 < 10 true 3 + 4 <= 10 true 3 + 4 == 4 + 4 false 3 + 4 > 10 false 3 + 4 >= 7 true 3 + 4 >= 8 false Logical Operators The ... 9 .4 demonstrates how else works. Listing 9 .4 LST9 _4. LST: Using the else Clause. if (choice == 1) { num = 1; num2 = 10; } else { num = 2; num2 = 20; } In...

Ngày tải lên: 12/08/2014, 19:21

... Checkbox("The Adventures of Javaman", null, false); checkbox2 = new Checkbox(" ;Java by Example& quot;, null, false); checkbox3 = new Checkbox(" ;Java and the Single Guy", ... ❍ Example: Displaying Font Information ❍ Getting Font Metrics ❍ Example: Displaying Font Metrics ● Creating Fonts ❍ Example: Creating a Font with Multiple Styles ❍ Using the Font...

Ngày tải lên: 12/08/2014, 19:21

... 16 .4 shows the applet running under Appletviewer. Figure 16 .4 : This is RectApplet running under Appletviewer. Listing 16.1 RECTAPPLET .JAVA: Drawing Rectangles. import java. awt.*; import java. applet.*; public ... Canvas● Example: Using the Coordinate System● Drawing Shapes● Example: Drawing a Rectangle● Example: Drawing Other Shapes● Understanding the ShapeApplet Applet Drawing...

Ngày tải lên: 22/07/2014, 16:21

... source is a string. Example: Reading a File There are many ways to read files using Java& apos;s I/O classes. The most basic, however, is to read a file byte -by- byte. Suppose, for example, you wanted ... data. Figure 36 .4 shows FileApp's output. Figure 36 .4 : The FileApp application reads and displays a text file. Listing 36 .4 FileApp .java: An Application That Reads a File. i...

Ngày tải lên: 22/07/2014, 16:21

... the original Java- compatible Web browser. java This is the Java interpreter, which runs applets and applications by reading and interpreting byte-code .CLASS files. javac This is the Java compiler, ... Netscape Navigator. Listing 33 .4 ArcApplet .java: An Applet Prepared for Javadoc. import java. awt.*; import java. applet.*; /** * ArcApplet demonstrates drawing arcs by enabli...

Ngày tải lên: 22/07/2014, 16:21