Java开发网 - 数组练习题（附答案）

Topic: 数组练习题（附答案）

1.数组练习题（附答案）

Posted by: yyfr
Posted on: 2004-05-28 13:13

What will happen if you try to compile and run the following code?(3)
public class Q {
public static void main(String argv[]){
int anar[]=new int[]{1,2,3};
System.out.println(anar[1]);
}
}
1) 1
2) Error anar is referenced before it is initialized
3) 2
4) Error: size of array must be defined

What will happen if you try to compile and run the following code?(3)
public class Q {
public static void main(String argv[]){
int anar[]=new int[5];
System.out.println(anar[0]);
}
}
1) Error: anar is referenced before it is initialized
2) null
3) 0
4) 5

2.Re:数组练习题（附答案） [Re: yyfr]	Copy to clipboard
Posted by: breezehou Posted on: 2004-05-28 14:47 比较简单

3.Re:数组练习题（附答案） [Re: yyfr]	Copy to clipboard
Posted by: yyfr Posted on: 2004-05-29 08:36 是啊，基础的