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。A、North或SouthB、East或WestC、CenterD、North,South或CenterE、任何区域

题目

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。

  • A、North或South
  • B、East或West
  • C、Center
  • D、North,South或Center
  • E、任何区域

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  • 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.


    参考答案:B, E

  • 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());


    正确答案:A

  • 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


    正确答案:A

  • 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


    正确答案:A
    假如你的气象报告显示有一低压区域的中心正好在你船位置以东100海里,在南半球你将预计是什么风?南到西南风。

  • 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


    正确答案:A
    在北半球,如果高压中心在你的东部,你预料到是什么风向?东南风。

  • 第6题:

    Tasmania is an island which lies()of the Australian mainland.

    • A、north of the northeastern corner
    • B、south of the southeastern corner
    • C、east of the northeastern comer
    • D、west of the southeastern corner

    正确答案:B

  • 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?()

    • A、 Cause error during compilation. 
    • B、 south         east 
    • C、 south to north     east to west    
    • D、 south to north      east    
    • E、 south     east to west

    正确答案:E

  • 第8题:

    New Zealand is situated about 1, 500 km ()

    • A、north-west of Australia
    • B、south-east of Australia
    • C、north-east of Australia
    • D、south-west of Australia

    正确答案:B

  • 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?()

    • A、 The buttons labeled “North” and “South” will have the same width.
    • B、 The buttons labeled “North” and “South” will have the same height.
    • C、 The height of the button labeled “North” can very if the Frame is resized.
    • D、 The height of the button labeled “South” can very if the Frame is resized.
    • E、 The width of the button labeled “North” is constant even if the Frame is resized.
    • F、 The width of the button labeled “South” is constant even if the Frame is resized.

    正确答案:B,E

  • 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?()    

    • A、Direction Direction=EAST;
    • B、Direction direction=Direction.WEST;
    • C、int a- Direction.NORTH;
    • D、Direction direction=2;

    正确答案:B

  • 第11题:

    多选题
    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()。
    A

    FlowLayout

    B

    GridLayout

    C

    BorderLayout的center区域

    D

    BorderLayout的East或West区域

    E

    BorderLayout的North或South区域


    正确答案: E,D
    解析: 暂无解析

  • 第12题:

    单选题
    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。
    A

    North或South

    B

    East或West

    C

    Center

    D

    North,South或Center

    E

    任何区域


    正确答案: A
    解析: 暂无解析

  • 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);

    }

    }


    正确答案:TextField if=llew TextField("Text");
    TextField if=llew TextField("Text"); 解析: 本题考查java中常用组件的创建。由题可知,创建的是3个按键和1个文本框,tf为该文本框。

  • 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


    正确答案:C

  • 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


    正确答案:A

  • 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


    正确答案:B
    在北半球一个低压正在拟的西部,风向应该怎样判别?东南。

  • 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


    正确答案:C
    在北半球,如果高压中心在你的西部,你预料到是什么风向?西北风。

  • 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。 

    • A、North或South
    • B、East或West
    • C、Center
    • D、North, South 或Center
    • E、任何区域

    正确答案:B

  • 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)。

    • A、North或South
    • B、East或West
    • C、Center
    • D、North,South或Center

    正确答案:A

  • 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()。

    • A、FlowLayout
    • B、GridLayout
    • C、BorderLayout的center区域
    • D、BorderLayout的East或West区域
    • E、BorderLayout的North或South区域

    正确答案:B,C,D,E

  • 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()

    • A、BorderLayout.EAST
    • B、BorderLayout.WEST
    • C、BorderLayout.CENTER
    • D、编译错误

    正确答案:C

  • 第22题:

    单选题
    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)。
    A

    North或South

    B

    East或West

    C

    Center

    D

    North,South或Center


    正确答案: C
    解析: 暂无解析

  • 第23题:

    单选题
    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。
    A

    North或South

    B

    East或West

    C

    Center

    D

    North, South 或Center

    E

    任何区域


    正确答案: E
    解析: 暂无解析