更多"1. int I=1, j=0&ensp"的相关试题:
[多项选择] int I=1, j=0 switch(i) { case 2: j+=6; case 4: j+=1; default: j +=2; case 0: j +=4; } What is the value of j at line 16?()
A. 0
B. 1
C. 2
D. 4
E. 6
[单项选择] int i= 1, j= 10 ; do ( if (i++> --j) continue; ) while (i<5); After execution, what are the values for I and j?()
A. i = 6 and j= 5
B. i = 5 and j= 5
C. i = 6 and j= 4
D. i = 5 and j= 6
E. i = 6 and j= 6
[多项选择] int i = 0, j = 5; tp; for (;;) { i++; for(;;) { if (i> --j) { break tp; break tp; } } System.out.println(“i=” +i “,j =”+j); } What is the result?()
A. i = 1, j = 0
B. i = 1, j = 4
C. i = 3, j = 4
D. i = 3, j = 0
E. Compilation fails.
[单项选择] int i = 0, j = 1; if ((i++ == 1) && (j++ == 2)) { i = 42; } System.out.println(“i = “ + i + “, j = “ + j); What is the result?()
A. i = 1, j = 2
B. i = 1, j = 1
C. i = 42, j = 2
D. i = 42, j = 1
E. Compilation fails.
[单项选择] int i= 1, j= 10 ; do ( if (i++> --j) continue; ) while (i<5); After execution, what are the values for I and j? ()
A. i = 6 and j= 5
B. i = 5 and j= 5
C. i = 6 and j= 4
D. i = 5 and j= 6
E. i = 6 and j= 6
[单项选择] 现有: package mypack; import javax.swing.JButton; import javax.swing.JFrame; public class Butt extends JFrame { public static v.id main(string[] args) { // TODO Auto-generated method stub Butt butt=new Butt(); } Butt(){ JButton jbl=new JButton("Hello"); JButton jb2=new JButton("World"); add(jbl); add(jb2); setSize(300,300); setVisible(true); } } 下列关于代码运行效果的叙述正确的是哪项? ()
A. 2个按钮紧靠着排列,Hello在World的左侧
B. Hello占据Frame的整个区域
C. World占据Frame的整个区域
D. 2个按钮都在Frame的顶部
[单项选择] int i = 1,j = 10; do { if(i>j) { break; } j--; } while (++i <5); System.out.println(“i =” +i+” and j = “+j); What is the result?()
A. i = 6 and j = 5
B. i = 5 and j = 5
C. i = 6 and j = 4
D. i = 5 and j = 6
E. i = 6 and j = 6
[单项选择] Import java.applet.Applet; Import java.awt*; Public class ImageDemo extends Applet{ Image img; Public void init(){ Img=getImage(getCodeBase(),”11.gif”);//1 } Public void paint(Graphics g){ Int w=img.getHeight(this); Int h=img.getHeight(this); g.drawImage(img,120,60,w/2,h/2,this);//2 g. drawImage(img,150,0,w*2,h*2,this);//3 } }以上代码第()行将图像放大。
A. 1
B. 2
C. 3
D. 代码并没有将图像放大
[单项选择] int i = 1,j = -1; switch (i) { case 0, 1:j = 1; case 2: j = 2; default; j = 0; } System.out.println(“j=”+j); What is the result?()
A. j = -1
B. j = 0
C. j = 1
D. j = 2
E. Compilation fails.
[多项选择] Given: Integer i = new Integer (42); Long l = new Long (42); Double d = new Double (42.0); Which two expression evaluate to true?()
A. (i = = l)
B. (i = = d)
C. (d = = l)
D. (i.equals(d))
E. (i.equals(i))
F. (i.equals(42))
[单项选择] int i = 0; for (; i <4; i += 2) { System.out.print(i + “”); } System.out.println(i); What is the result?()
A. 0 2 4
B. 0 2 4 5
C. 0 1 2 3 4
D. Compilation fails.
E. An exception is thrown at runtime.
[单项选择] for (int i =0; i < 4; i +=2) { System.out.print(i + “”); } System.out.println(i); What is the result?()
A. 0 2 4
B. 0 2 4 5
C. 0 1 2 3 4
D. Compilation fails.
E. An exception is thrown at runtime.
[单项选择] 在j2ee中,有如下代码在servlet1.java中 Important javax.servelt.*; Important javax.servlet.http.* Import java.io.ioexception Import java.io.printwriter Public class servlet1 extends httpservlet{ Public void init() throws serveltexception{ } Public void service(httpservelt request request,httpserbletresponse response)throws servletexception,ioexception{ Printwriter out=response.getwriter(); Out.println(“hello”); } } 假如编译serblet 要具备的环境都已经建立好,现在用完全正确的命令编译该文件,对于以下陈述正确的是()
A. 编译该文件时会提示缺少doget()或者dopost()方法,编译不能够成功通过
B. 编译后,把servlet1.class放在正确位置,在浏览器中查看该servlet1,会看到输出文字:“hello”
C. 编译后,把servlet1.class放在正确位置,在浏览器中查看该servlet1,却看不到任何输出的文字
D. 编译后,把servlet1.class放在正确位置,在浏览器中查看该servlet1,却看到产生运行时错误的出差信息
[单项选择] 现有: interface I { void go(); } abstract class A implements I { } class C extends A { void go(){ } } 结果是什么?()
A. 代码通过编译
B. 由于第1行的错误导致编译失败
C. 由于笫3行的错误导致编译失败
D. 由于第6行的错误导致编译失败
[单项选择] 循环语句: for ( i=1; i<=10; i++) { duplicateMovieClip(“ba”, “ba” + i ,i) ; eavl(“ba” + i ). _x=10*i } 该语句完成的功能是()。
A. 将实例ba为母体复制10个,同时这些复制出来的实例每间隔1个像素,水平排列在舞台上
B. 将实例ba为母体复制10个,同时这些复制出来的实例每间隔10个像素,水平排列在舞台上
C. 将实例ba为母体复制10个,同时这些复制出来的实例每间隔1个像素,垂直排列在舞台上
D. 将实例ba为母体复制10个,同时这些复制出来的实例每间隔10个像素,垂直排列在舞台上
[多项选择] Integer i = new Integer (42); Long 1 = new Long (42); Double d = new Double (42.0); Which two expressions evaluate to True? ()
A. (i ==1)
B. (i == d)
C. (d == 1)
D. (i.equals (d))
E. (d.equals (i))
F. (i.equals (42))
[单项选择] A customer with a small IT budget has one data center. Their main application is a database running on an IBM System Storage DS8000. The database has a data change rate of 50% per day. Once a week, they must do a point-in-time backup from the database to tape. The time it takes to run the backup now exceeds the backup window allowed. The customer requests a proposal to reduce database downtime caused by running backups, with nearly no impact to production volumes. In addition to the tape backup, which DS8000 feature should a technical specialist propose()
A. FlashCopy
B. FlashCopy SE
C. Metro Mirror
D. Global Mirror