问题:
Given the following code:
public class Person{ static int arr[] = new int[10];
public static void main(String a[]) {
System.out.println(arr[1];)
}
}
Which statement is correct?()
A . When compilation some error will occur.
B . It is correct when compilation but will cause error when running.
C . The output is zero.
D . The output is null.
Given the following code:
public class Person{ static int arr[] = new int[10];
public static void main(String a[]) {
System.out.println(arr[1];)
}
}
Which statement is correct?()
● 参考解析
int型数组是类对象,它在类被加载时完成初始化,在前面题目中已经有叙述,由于是原始数据类型int,其初始值为0。