题目内容

x.length does not exist if x is null.

A. false
B. true

查看答案

搜索结果不匹配？点我反馈

更多问题

The array index of the first element in an array is 0.

A. true
B. false

The JVM stores the array in an area of memory, called _______, which is used for dynamic memory allocation where blocks of memory are allocated and freed in an arbitrary order.

A. dynamic memory
B. stack
C. heap
D. memory block

Do the following two programs produce the same result? Program I: public class Test {public static void main(String[] args) {int[] list = {1, 2, 3, 4, 5};reverse(list);for (int i = 0; i < list.length; i++)System.out.print(list[i] + " ");} public static void reverse(int[] list) {int[] newList = new int[list.length]; for (int i = 0; i < list.length; i++)newList[i] = list[list.length - 1 - i]; list = newList;} } Program II: public class Test {public static void main(String[] args) {int[] oldList = {1, 2, 3, 4, 5};reverse(oldList);for (int i = 0; i < oldList.length; i++)System.out.print(oldList[i] + " ");} public static void reverse(int[] list) {int[] newList = new int[list.length]; for (int i = 0; i < list.length; i++)newList[i] = list[list.length - 1 - i]; list = newList;} }

A. No
B. Yes

Given the following statementt[] list = new int[10];st.length has the value _______.

A. 9
B. 11
C. 10
D. The value depends on how many integers are stored in list.