更多"下面程序的输出结果是 #include<iostream.h> c"的相关试题:
[单项选择]下面程序的输出结果是
# include <iostream.h>
class example
int a;
public:
example (intb) a=b++;
void print ( )a=a+1; cout << a <<" ";
void print ( ) const cout << a <<" ";
;
void main ( )
example x (3);
const example y (2);
x. print ( );
y.print ( );
A. 2 2
B. 4 3
C. 4 2
D. 3 2
[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]下面程序段的输出结果是
public class Test
public static void main(Stringargs[])
int x,y;
x=(int)Math.sqrt(5)/2+(int)Math.random( )*5/2;
y=(int)Math.sqrt(3)/2+(ht)Math.random( )*3/2;
if(x>y)
System.out.println(”x>y”);
else if(x=y)
System.out.println(”x=y”);
else
System.out.Println(”x<y”);
A. x>y
B. x=y
C. x<y
D. 编译错误
[单项选择]下面程序的输出结果是( )。
public class Sun
public static void main(String args[])
int[] a=1,2,3,4);
int j=1,s=0;
for(int i=3;i>=0;i--)
s=s+a[i]*j;
j=j*10;
System.out.println(s);
A. 1234
B. 21
C. 43
D. 4321