更多"下面程序的输出结果为( )。#include<iostream.h>"的相关试题:
[单项选择]下面程序输出的结果为( )。 #inClUde”iostream.h” Class A {public: A( ){cout<<“CLASS A”<<endl;} ~A( )<)}; class B:public A {public: B( ){cout<<”CLASSB”<<endl;} ~B( ){}}; void main( ) {A*p; p=new B; B *q; q=new B;}
A. CLASS A CLASS B
B. CLASS A CLASS B CLASS B
C. CLASS A ClASS B
D. CLASS A CLASS B CLASS A CLASS B CLASS B CLASS B
[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
[单项选择]下面程序的输出结果是( )。 public class Sun { public static void main(String args[ ]) { int n=4 ,sum=0; while (n>0) { sum+=n; n--; } System.out.println("sum is "+sum); } }
A. sum is 10
B. sum is 4
C. 10
D. 4
[单项选择]下面程序的输出结果是( )。 public class Sun { public static void main(String args[ ]) { int n=4 ,sum=0; while(n>0) { sum+=n; n--; } System.out.println("sum is "+sum); } }
A. sum is 10
B. sum is 4
C. 10
D. 4
[单项选择]下面程序的输出结果是 ( )public class ex2{ public static void main(String []args) { for(int cnt=1;cnt<=10;cnt++) { if(cnt<=5) continue; System.out.print(cnt+""); } }}
A. 1 2 3 4
B. 6 7 8 9
C. 1 2 3 4 6 7 8 9 10
D. 6 7 8 9 10
[单项选择]下面程序输出结果是 ______。 #include<iostream. h> void main( ){ int a,b,c; a=6;b=c=4; if(a!=B) if(a!=B) if(a) cout<<(a-->2); else a++; else a+=a; cout<<a; }
A. 15
B. 07
C. 12
D. 17
[单项选择]下面程序段的输出结果为 public class MyClass { public static void main(String args[]) { String s="Helto! How are you"; System.out.println(s.lastlndexOf("o",16)); } }
A. 16
B. o
C. u
D. 17
[单项选择]下面程序段的输出结果为 public class MyClass { public static void main(String args[]) { String s="Hello! How are you"; System.out.println(s.LastIndexOf("o",16); } }
A. 16
B. o
C. u
D. 17
[单项选择]下面程序段的输出结果是 public class Test{ public static void main(String args[]){ int n=5,sum=O; while(n>0){ sum+=n; --n; } System.out.println("sum is "+Sum); } }
A. sum is 14
B. sum is 15
C. sum is 10
D. sum is 5
[单项选择]下面程序段的输出结果是 public class Test{ public static void main(String args[]){ int n=5,sum=0; while(n>0){ sum+=n; --n; } System.out.println("sum is"+sum); } }
A. sum is 14
B. sum is 15
C. sum is 10
D. sum is 5
[单项选择]下面程序执行后的输出结果为( )。 public class fun { public static void main(String args[]) { String greets = " How are you!"; String s = greets.substring(0,3); System.out.println(s); } }
A. How
B. are
C. you
D. how are you!
[单项选择]下面程序段的输出结果是( )。 public class Test { public static void main (String[] args) { int sum=0; for ( int i=0;i<=100; i++) sum+=i; System. out. println ("sum="+sum); } }
A. sum =5050
B. sum=4950
C. sum=0
D. sum=100