在Java语 言中,把组件放在BorderLayout的()区域时,它会自动垂直调整大小,但不是水平调整。
第1题:
importjava.awt.*;publicclassXextendsFrame{publicstaticvoidmain(Stringargs){Xx=newX();x.pack();x.setVisible(true);}publicX(){setLayout(newBordrLayout());Panelp=newPanel();add(p,BorderLayout.NORTH);Buttonb=newButton(North”);p.add(b):Buttonb=newButton(South”);add(b1,BorderLayout.SOUTH):}}Whichtwostatementsaretrue?()
A.Thebuttonslabeled“North”and“South”willhavethesamewidth.
B.Thebuttonslabeled“North”and“South”willhavethesameheight.
C.Theheightofthebuttonlabeled“North”canveryiftheFrameisresized.
D.Theheightofthebuttonlabeled“South”canveryiftheFrameisresized.
E.Thewidthofthebuttonlabeled“North”isconstanteveniftheFrameisresized.
F.Thewidthofthebuttonlabeled“South”isconstanteveniftheFrameisresized.
第2题:
下列程序在Frame中设定BorderLayout布局管理器,选择正确的语句填入程序的横线处。 import java.awt.*; public class ex43 extends Frame { public static void main(String[] args) { ex43 bj = new ex43("BorderLayout"); ______ obj.add("North", new Button("North")); obj.add("South", new Button("Sourth")); obj.add("East", new Button ("East")); obj.add("West", new Button ("West")); obj. add ("Center", new Button ( "Center" ) ); obj.pack(); obj. setVisible (true); } public ex43(String str) { super (str); } }
A.obj.setLayout(new BorderLayout());
B.setLayout(new Borderkayout());
C.setLayout(BorderLayout());
D.obj.setLayout(BorderLayout());
第3题:
The general circulation of the surface water in Mediterranean is ______.
A.counter-clockwise
B.clockwise
C.from east to west
D.from north to south
第4题:
If a weather bulletin shows the center of a low pressure system to be 100 miles due east of you, what winds can you expect in the Southern Hemisphere? ______.
A.South-southwesterly
B.North-northwesterly
C.South-southeasterly
D.North-northeasterly
第5题:
In the Northern Hemisphere, when the center of a high pressure system is due east of your position, you can expect winds from the ______.
A.south to east
B.north to west
C.north to east
D.south to west
第6题:
Tasmania is an island which lies()of the Australian mainland.
第7题:
class Parent { String one, two; public Parent(String a, String b){ one = a; two = b; } public void print(){ System.out.println(one); } } public class Child extends Parent { public Child(String a, String b){ super(a,b); } public void print(){ System.out.println(one + " to " + two); } public static void main(String arg[]){ Parent p = new Parent("south", "north"); Parent t = new Child("east", "west"); p.print(); t.print(); } } Which of the following is correct?()
第8题:
New Zealand is situated about 1, 500 km ()
第9题:
import java.awt.*; public class X extends Frame { public static void main (String args) { X x = new X(); x.pack(); x.setVisible(true); } public X() { setLayout (new BordrLayout()); Panel p = new Panel (); add(p, BorderLayout.NORTH); Button b = new Button (“North”); p.add(b): Button b = new Button (“South”); add(b1, BorderLayout.SOUTH): } } Which two statements are true?()
第10题:
定义枚举如下: public enum Direction{ EAST,SOUTH,WEST,NORTH } 下列正确使用该枚举类型的语句是哪项?()
第11题:
FlowLayout
GridLayout
BorderLayout的center区域
BorderLayout的East或West区域
BorderLayout的North或South区域
第12题:
North或South
East或West
Center
North,South或Center
任何区域
第13题:
请将下列程序的空白处补充完整。
Importjava.awt.*;
PublicclassEll_4
{
Publicstaticvoidmain(Stringargs[])
{
Framef=newFrame(“BorderLayout”);
fiadd(“North”,newbuRon(“North”));
f.add(“East”,newbutton(“East”));
f.add(“West”,newbutton(“West”));
f.add(“South”,tf);
f.setSize(200,200)
fipack();
fisetVisible(true);
}
}
第14题:
使用______位置参数,能够使一个部件位于容器的右边。
A.BorderLayout.RIGHT
B.BorderLayout.WEST
C.BonierLayout.EAST
D.BorderLayout.NORTH
第15题:
The surface currents of the South Atlantic,South Pacific and South Indian Ocean follow,in general,a regular pattern of ______.
A.counter-clockwise circulation
B.clockwise circulation
C.trend from east to west
D.trend from north to south
第16题:
If the center of low pressure is due west of you in the Northern Hemisphere, which wind direction should you expect?
A.South to west
B.South to east
C.West to north
D.North to east
第17题:
In the Northern Hemisphere, if the center of a high pressure area is due west of you, what wind direction would you expect?______.
A.South to west
B.South to east
C.North to west
D.North to east
第18题:
在Java语言中,把组件放在BorderLayout的()区域时,它会自动垂直调整大小,但不是水平调整。
第19题:
在Java语言中,把组件放在BorderLayout的()区域时,它会自动垂直调整大小,但不是水平调整。(选择一项)。
第20题:
在应用程序窗体中,若想定位按钮,且使按钮的大小随窗体变化而变化,可以使用的布局有()。
第21题:
如果java.awt.Containerc的布局为BorderLayout,则c.add(newJbutton())的默认位置参数是()
第22题:
North或South
East或West
Center
North,South或Center
第23题:
North或South
East或West
Center
North, South 或Center
任何区域