阅读下面代码:
import java.awt.*;
public class Exam11_1
{
private Frame. f;
private Button b1,b2,b3,b4;
public static void main(String args[]
{
Exam11_1 that = new Exam11 1 ();
that.go();
}
public void go()
{
______;
f.setLayout(new FlowLayout()) ;;
b1 = new Button ("Button 1");
b2 = new Button ("Button 2");
b3 = new Button ("Button 3");
b4 = new Button ("Button 4");
f.add (b1);
f.add (b2);
f.add (b3);
f.add (b4);
f.pack ();
f.setVisible (true);
}
}
请在程序中画线处填写正确的语句【 】,以便编译运行程序后得到正确的结果。
第3题
阅读下面代码 public class Test2005 { public static void main(String args[]) { System.out.println(~(Oxa5)&Oxaa); } } 其运行结果是
A.Oxa5
B.10
C.Ox50
D.Oxaa
第4题
阅读下面代码 public class Test { public static void main(String avgs[]) { System.out.println(89>>1); } } 其运行结果是
A.44
B.45
C.88
D.90
第5题
阅读下面一段代码,代码的输出结果是() Integer in1 = new Integer(10); Integer in2 = new Integer(10); Integer in3 = 10; Integer in4 = 10; System.out.print(in1 == in2); System.out.print(in1 == in3); System.out.print(in3 == in4);
A、truetruetrue
B、falsefalsetrue
C、falsefalsefalse
D、falsetruefalse
第6题
阅读下面代码: public class Test2005 { public static void main(String args[]) { System.out.println((3>2)? 4:5); } } 其运行结果是
A.2
B.3
C.4
D.5
第7题
A.document.getElementByName(firstpwd)
B.document.getElementByName(pwd)
C.document.getElementByid(firstpwd)
D.document.getElementByTagName(input)
第8题
请阅读下面一段代码 Please read the following code C++:Python:
若此段代码的作用是用来进行中序遍历,那么应该在几号访问点进行访问?(只需要填写数字) if this code is used to do an infix order traversal, which visiting point should be visited? (You only need to write down the number)
第9题
请阅读下面一段代码 Please read the following code C++:Python:
若此段代码的作用是用来进行后序遍历,那么应该在几号访问点进行访问?(只需要填写数字) if this code is used to do an post order traversal, which visiting point should be visited? (You only need to write down the number)
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