Java练习题 10 - 未名空间MITBBS历史存档

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Java练习题 10

Java练习题 10# Java - 爪哇娇娃

u*s2010-04-12 07:04

1 楼

Q1. What's the difference between process and thread?
Q2. What's the difference between Runnable and Callable?
Q3. What's the difference between when use synchronized method/block and
when use ReentrantLock
Q4. How to achieve wait/notify/notifyAll using java.util.concurrent package?
Q5. What is serialVersionUID? what is it for?

g*e2010-04-12 07:04

2 楼

请问你这些题目都是在哪找的，谢谢

package?

【在 u****s 的大作中提到】

: Q1. What's the difference between process and thread?
: Q2. What's the difference between Runnable and Callable?
: Q3. What's the difference between when use synchronized method/block and
: when use ReentrantLock
: Q4. How to achieve wait/notify/notifyAll using java.util.concurrent package?
: Q5. What is serialVersionUID? what is it for?

s*82010-04-12 07:04

3 楼

求标准答案

g*e2010-04-12 07:04

4 楼

这几个问题面试很常见吧，google一下到处都是

【在 s***8 的大作中提到】

: 求标准答案

q*u2010-04-12 07:04

5 楼

好题，我没有google, 自己裸答了，请包含指正一下

Q1. What's the difference between process and thread?
process is expensive, traditionally, doesn't share memory;
thread can be understood as a light weight process, can share memory
with
each other;
Q2. What's the difference between Runnable and Callable?
Callable can return value?
Callable can throw an exception?
Q3. What's the difference between when use synchronized method/block and
ReentrantLock can have multiple locks, more flexible than synchronized

【在 u****s 的大作中提到】

q*u2010-04-12 07:04

6 楼

感觉很害怕因为面java的时候突然冒出process来，这个好像很难从java这里来讲吧？

package?

【在 u****s 的大作中提到】

u*s2010-04-12 07:04

7 楼

有些是面试/考试的时候遇到的，有些是自己想的

【在 g**e 的大作中提到】

: 请问你这些题目都是在哪找的，谢谢
:
: package?