(1)FlowLayout:流布局(Applet和Panel的默认 布局管理器) (2)BorderLayout:边框布局(Window、Frame和 Dialog的默认布局管理器) (3)GridLayout:网格布局 (4)GridBagLayout:网格组布局 (5)CardLayout:卡片布局 12.3文本输入 a域 b 文本区 c 标签与标签组件 d 密码域 e 滚动窗格 12.4选择组件 a 复选框 b 单选按...
每个容器都有与之相关的默认布局管理器。 (2)5种布局管理器:(1)FlowLayout: 流布局(Applet和Panel的默认 布局管理器) (2)BorderLayout:边框布局( Window、Frame和 Dialog的默认布局管理器) (3)GridLayout: 网格布局 (4)GridBagLayout: 网格组布局 (5)CardLayout :卡片布局 3、GridLayout的构造函数如下:1、...
Java程序设计基础本部（A）湖南农业⼤学课程考核试卷 课程名称（全称）：Java 程序设计基础（双语）课程代码：20638B3 考核时间：2010 年 11 ⽉5⽇试卷号： A 考核对象：信息⼯程07－1、信息⼯程07－2 1. Given the file FirstClass.java:1: import java.*;2: public c lass FirstClass{ } 3: ...
import java.awt.*; public class clipping extends java.applet.Applet { public void paint (Graphics g) { g.setColor (Color.red); Graphics clippedGraphics = g.create(); clippedGraphics.drawRect (0,0,100,100); clippedGraphics.clipRect (25, 25, 50, 50); clippedGraphics.drawLine (0,0,100...
Solaris will continue to use the MToolkit (Motif-based Toolkit) as the default in 5.0, but eventually it will be replaced with XToolkit. You can explicitly set the toolkit for an applet or application using an environment variable or a system prop- erty, or you can use the Java Plug-In...
class Circle extends Ellipse { public void draw(){}; } public class OOTest1 { public static void main(String[] args) { Circle c = new Circle(); } } 2、1、Using the parameters a=4, b=0 to invocate the following method, what can you get? Please give your reason. public void divi...
Using the drawoval method alsjo Greenhorn Posts: 4 posted 22 years ago I am writing a program where you enter in four int variables and than uses those to draw the oval. I'm having a problem passing the int variables into the drawoval method...Please HELP! If you wish you may ...
B、int compareTo(String str) C、int SetindexOf(String str) D、int lastIndexOf(String str) 17、表达式:(x>y) ? (z>w) ?x:z:w,(其中x=5,y=9,z=1,w=9)的值为:D A、5 B、8 C、1 D、9 1、main方法是Java Application程序执行的入口点,关于main方法的方法头以下哪项是合法的( B)?
Redesigned the World Wind Java applet examples to work with JOGL 2 and Java 7 on all platforms. New applets leverage the same Java Web Start resources used by applications. Redesigned the World Wind Java demos for simplicity, and consolidated all demo resources in a single place. ...
Draw/Images/wrox_logo.gif Chap17/ Chap16/01_FileName/ Chap16/01_FileName/Constants.java Chap16/01_FileName/Element.java Chap16/01_FileName/FontDialog.java Chap16/01_FileName/Images/ Chap16/01_FileName/Images/blue.bmp Chap16/01_FileName/Images/blue.gif Chap16/01_FileName/Images/circle...