更多"下面程序段的输出结果是______。 class Test pub"的相关试题:
[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]下面程序段的输出结果是 class Test{ public static void main(String args[]){ MyThread t=new MyThread( ); t.displayOutput("t has been createD) "; t.start( ); } } class MyThread extends Thread{ public void displayOutput(String s){ System.out.println(s); } public void nm( ){ displayOutput("t is running. "); }
A. t has been create t is runnin
B. t has been create
C. t is runnin
D. 编译出错
[单项选择]下面程序段的输出结果是( )。
class Test
public static void main(String args[])
MyThread t=new MyThread( );
t.displayOutput("t has been createD");
t.start( );
Class MyThread extends Thread
public void displayOutput(String s)
System.out.println(s);
public void run( )
displayOutput("t is running.");
A. t has been created.
B. t has been created.
C. t is running.
D. 编译出错
[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]下列程序段运行的结果为
public class Test
static void print(String s,int i)
System.out.println("String:"+s+",int:"+i);
static void print(int i, String s)
System.out.println("int:"+i+",String:"+s);
public static void main(String [] args)
print(99,"Int first");
A. String:Stringfirst,int:11
B. int:11,String:Int first
C. String:String first,int:99
D. int:99,String:int first
[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 a,b; for(a=1, b=1; a<=100; a++){ if(b>=10)break; if (b%2==1){ b+=2; continue; } } System.out.println(a); } }
A. 5
B. 6
C. 7
D. 101