问题:
What will be the result of attempting to run the following program?()
public class Qaa75 {
public static void main(String args[]) {
String[][][] arr = {
{ {}, null },
{ { "1", "2" }, { "1", null, "3" } },
{},
{ { "1", null } } };
System.out.println(arr.length + arr[1][2].length);
}
}
A . The program will terminate with an ArrayIndexOutOfBoundsException.
B . The program will terminate with a NullPointerException.
C . 4 will be written to standard output.
D . 6 will be written to standard output.
E . 7 will be written to standard output.
What will be the result of attempting to run the following program?()
public class Qaa75 {
public static void main(String args[]) {
String[][][] arr = {
{ {}, null },
{ { "1", "2" }, { "1", null, "3" } },
{},
{ { "1", null } } };
System.out.println(arr.length + arr[1][2].length);
}
}
● 参考解析
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