interview questions
来源:互联网 发布:淘宝注册打电话验证170 编辑:程序博客网 时间:2024/05/18 01:31
1.what is the key work static meaning in java, if there is the mutiple access to the static field, should the methord to be synchronized.?
2.what is the difference between StirngBuffer and StringBuilder?
3.what is the difference between the above two classed an the common Stirng?
4.Is there the java memory leak in java writting applications
5.is there any way that can be used to avoid the memory leak?
6.have you used the thread pool. what is this used for?
7.what is the thread dump used for?
8.truncate and delete 's difference. what is the rool back mean?
9.how to call store procedure in java?
10.procedure language and oo language
11.composition and aggrevgation .oo concept
12.why somebody create interface without property an methords?
13.singleton concept in java . how do you make the object into singleton.
14.exceptions in java
15.what is hibernate , how do you put the relations in the hibernate
16.what is the hibernate cache? what is the level two cache?
17.what is the difference between http and https, how the https work?
18:下面函数的输出结果:
public class ReferenceTest {
/**
* @param args
*/
public static void main(String[] args) {
String aa = "123456";
char str[]={'a','b','v'};
changeRef(aa, str);
System.out.println(aa);
System.out.println(str);
}
private static void changeRef(String aa, char[] str) {
aa = "98765";
str[0]= 'A';
}
}
输出:
123456
Abv
- Interview Questions
- interview questions
- Interview Questions
- interview questions
- Interview Questions
- interview questions
- interview questions
- Interview Questions
- Interview Questions
- Oracle DBA Interview Questions
- Microsoft Interview Questions
- Interview Questions - Microsoft, etc.
- C# Interview Questions
- Java Interview Questions
- Embedded System Interview Questions:
- Java Interview Questions
- JAVA INTERVIEW QUESTIONS
- Microsoft Interview Questions
- 微软也会错,后置++很危险!
- 聚集索引和非聚集索引的区别
- 推荐读物,出处未知
- Android学习笔记3 - Button & TextView
- C# TimSpan 简单应用
- interview questions
- Android中启动Activity(startActivity)流程图分析
- 编程之美 3.1字符串移动
- 喝酒时猜数字的小游戏
- sicily 1264. Atomic Car Race
- DM3730上。android2.3源码编译过程,问题解析。(方便以后自己用)
- javascript回顾
- JSF 总结
- 49 U.S. Scientists Confirm Water on Mars