更多"下面程序的输出结果为( )。#include<iostream.h>"的相关试题:
[单项选择]下面程序的输出结果为( )。
#include<iostream.h>
class CStaticpublic:
CStatic( ) val++;
static int val;
;
int CStatic::val=0;
void main( )CStatic cs1;
cout<<cs1.val<< "";
CStatic cs2;
CStatic cs3, cs4;
cout<<cs2. val<<end1;
A. 14
B. 24
C. 34
D. 54
[单项选择]下面程序输出的结果是什么 ( ) public class Quiz2 { public static void main(String args[]) { try {throw new MyException( ); }catch(Exception e) { System.out.println("It’s caught!"); }finally{ System.out.println("It’s finally caught!"); } } } class MyExeeption extends Exception{}
A. It’s finally caught!
B. It’s caught!
C. It’s caught!/It’sfinally caught!
D. 无输出
[单项选择]下面程序的输出结果是
public class Test
public static void main(String[] args)
int[]array=2,4,6,8,10;
int size=6;
int result=-1:
try
for(int i=0;i<size&&result==-1;i++)
if(array[i]==20)result=i;
catch(ArithmeticException e)
System.out.println("Catch---1");
catch(ArrayIndexOutOfBoundsException e)
System.out.println("Catch---2");
catch(Exception e)
System.out.println("Catch---3");
A. Catch---1
B. Catch一--2
C. Catch---3
D. 以下都不对
[单项选择]下面程序输出的结果为 #include"iostream.h” class A { public: A( ){cout<<"CLASSA"<<endl;} ~A( ) {} }; class B:public A { public: B( ){cout<<"CLASS B"<<endl;} ~B( ){} }; void main( ) { A*p; p=new B; B*q; q=new B; }
A. CLASS A CLASS B CLASS B CLASS B
B. CLASS A CLASS B CLASS A CLASS B
C. CLASS A CLASS B CLASS B
D. CLASS A CLASS B
[单项选择]下面程序的输出结果是 public class Test{ public static void main(String[] args){ int[]array={2,4,6,8,10}; int size=6; int result=-1: try{ for(int i=0;i<size&&result==-1;i++) if(array[i]==20)result=i; }catch(ArithmeticException e){ System.out.println("Catch---1"); }catch(ArrayIndexOutOfBoundsException e){ System.out.println("Catch---2"); }catch(Exception e){ System.out.println("Catch---3"); } } }
A. Catch---1
B. Catch一--2
C. Catch---3
D. 以下都不对
[单项选择]下面程序的输出结果是( )。
public class Sun
public static void main(String args[ ])
int i = 1;
switch (i)
case 0:
System.but.println("zero");
break;
case 1:
System.out.println("one");
case 2:
System.out.println("two");
default:
System.out.println ("default");
A. one
B. one, default
C. one, two, default
D. default
[单项选择]下面程序段的输出结果为
package test;
public class Class A
int x=20;
static int y=6;
public static void main(String args[])
Class B b=new Class B( );
b.go(10);
System.out.println("x"+b.x);
class ClassB
int x;
void go(int y)
ClassA a=new ClassA( );
x=a.y;
A. x=10
B. x-20
C. x=6
D. 编译不通过
[单项选择]下面程序的输出结果为( )。
public class Test
public static void main (String args[])
String X="ABCD";
String Y="EFG";
X=X.substring (X.length( )-Y.length( ));
System.out.println(X);
A. ABC
B. BCD
C. EFG
D. ABCDEFG