更多"下面程序的输出结果是 public class Test{ pu"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=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]下碳程序段的输出结果是( )。
class Test
public static void main(Srting 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
[填空题]类Test定义如下:
public class Test{
public static void main(String args[])
{
String sty=new String("abcde");
char ch[]={’A’,’B’,’C’,’D’,’E’};
ml(str,ch);
System.out.print(str+",");
System.out.println(ch);
}
public static void ml(String s,char ch[])
{
s="Hello";
ch[3]=’Z’;
}
}
那么程序的执行结果为: 【9】
[填空题]阅读下面代码
public class Test2 {
public static void main(String args[]) {
System.out.println(5/2);}
}
其执行结果是______。
[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(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 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
[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 x,y
X=(int)Math.sqrt(5)/2+(int)Math.random( )*5/2;
y=(int)Math.sqrt(3)/2+(int)Math.random( )*3/2;
if(x>y)
System.out.println("x>y");
elseif(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[] a=new int[11];
int[] p=new int[4];
int k=5;
for(int i= 1 ; i<= 10;i++)
a[i]=i;
for(int i=1 ; i<=3;i++)
p[i]=a[i*i];
for(int i= 1 ;i<=3;i++)
k=k+p[i]*2;
System. out. println(k);
A. 37
B. 31
C. 33
D. 35