55. int []x= {1, 2,3,4, 5}; 56. int y[] =x; 57. System.out.println(y[2]); Which is true?()
关于以下程序段的说法正确的是()。 1.publicclassMyar{ 2.publicstaticvoidmain(Stringargv[]){ 3.int[]i=newint[5] 4.System.out.println(i[5]) 5.}
现有: class Output { public static void main (String[] args) { int i=5: System.out.print( "4"+i+""); System.out.print (i+5+"7"); System.out.println (i+"8"); } } 结果为:()
程序: class TestApp{ public static void main(String[] args){ for(int i=0;i<5;i++) System.out.print(i+1); System.out.println(i); } } 上述程序运行后的结果是哪项?()
55.int[]x={1,2,3,4,5}; 56.inty[]=x; 57.System.out.println(y[2]); Whichistrue?()
以下程序的调试结果为?1. public class EqualsTest{2. public static void main(String args[]){3. Long LA = new Long(7);4. Long LB = new Long(7);5. if(LA==LB) System.out.println(Equal);6. else System.out.println(Not Equal);7. }8. }
关于下面程序,()的结论是正确。publicclassJ_Test{publicstaticvoidmain(String[]args){int[]a=newint[5];boolean[]b=newboolean[5];System.out.println(a[4]);System.out.println(b[5]);}}
以下程序会输出什么 int a =100,b=50,c=a---b,d=a---b; System.out.println(a); System.out.println(b); System.out.println(c); System.out.println(d);
写出下列的运行结果:int m=8,n=5;while(){if()m=m-n;elsen=n-m;}System.out.println();
考虑下列Java代码:classA{publicstaticvoidmain(String[]args){try{System.out.println("Hello,World!");}}}其中的错误是()。
Giventhatcisareferencetoavalidjava.io.Consoleobject,and:11.Stringpw=c.readPassword("%s","pw:");12.System.out.println("got"+pw);13.Stringname=c.readLine("%s","name:");14.System.out.println("got",name);Iftheusertypesfidowhenpromptedforapassword,andthenrespondsbobwhenpromptedforaname,whatistheresult?()
【分录题】(2-5)写出下面程序运行结果。 public class Demo { public static void main(String args[]) { System.out.println(123); System.out.println(0123); System.out.println(0x123); } }
现有:classPencil{publicvoidwrite(Stringcontent){System.out.println("Write",+content){}}classRubberPencilextendsPencil{publicvoidwrite(Stringcontent){System.out.println("RubberWrite"+content);}publicvoiderase(Stringcontent)}}执行下列代码的结果是哪项?()Pencilpen=newPencil();((RubberPencil)pen).write("Hello");
System.out.println((byte)-100 >> 5) 结果为()。
已知如下代码:switch(m){ case 0: System.out.println(“Condition 0”); case 1: System.out.println(“Condition 1”); case 2: System.out.println(“Condition 2”); case 3: System.out.println(“Condition 3”);break; defa
7、以下代码片段编译运行的结果是:int Output=10; boolean b1 = false; if((b1==true) && ((Output+=10)==20)){ System.out.println("We are equal "+Output); } else { System.out.println("Not equal! "+Output); }
if(x<0) {System.out.println(“first”);}else if(x<5) { System.out.println(“second”);}else {System.out.println(“third”);} 请问x处于什么范围时将打印字符串“second”()
在Java中,System.out.println("5" + 2);的输出结果是()
4、一个Servlet中有如下代码片段: out.println(""); out.println("alert('good')"); out.println(""); System.out.println("the servlet info"); out.close(); 则以上的代码执行过程描述正确的是()。
以下程序的输出结果是什么? public class Useli7 { public static void main(String args[ ]){ int i; for (i=1;i<=5;i++){ if(i%2==0) System.out.println("*"); else continue; System.out.println(""); } System.out.println("$n"); } }
38、(写文件)下列程序的功能是将一个整数数组写入二进制文件。在程序的下画线处应填入的选项是______。import java.io.*; public class XieShuzu{ public static void main(String[] a){ int[] myArray={10,20,30,40}; try{ DataOutputStream dos=new DataOutputStream(new FileOutputStream("ints.dat")); for(int i=0;i<myArray.length;i++) dos.______(myArray[i]); dos.close(); System.out.println("已经将整数数组写入二进制文件:ins.dat"); }catch(IOException ioe){ System.out.println("IOException")
Given a class Repetition:1.package utils;2.3.public class Repetition{4.public static String twice(Strings){returns+s;}5.}and given another class Demo:1.//insert code here2.3.public class Demo{4.public static void main(String[]args){5.System.out.println(twice("pizza"));6.}7.}Which code should be inserted at line 1 of Demo.java to compile and run Demo to printpizzapizza”?()
下列程序段的输出结果为()。int a=2;switch(a)case 2:System.out.print("Value is 2.");case 3:System.out.println("Value is 3.");break;default:System.out.prinfln("end");break;
有如下程序段if(x>0) System.out.println("first");else if (x >-4) System.out.println("second");else System.out.println("third");x的取值在什么范围内时,将打印出字符串“second"?()