原来写过不少关于java的基础，但是放的比较混乱，今天整理一下，方便需要的同学来月小升博客学习。
1.java初步学习hello word
http://java-er.com/blog/java-hello/
2.java 基本数据类型
http://java-er.com/blog/java-basic/
3.java private,protected,default,public 的区别
http://java-er.com/blog/java-private-protected-default-public/
4.java 数组学习
http://java-er.com/blog/java-array/
5.java基本操作符
http://java-er.com/blog/java-operators/
6.java interface教程
http://java-er.com/blog/java-interface/
7.java公共变量迷局-变量为何改变
http://java-er.com/blog/java-public-variable/
8.java里的final和static使用方法
http://java-er.com/blog/java-final-static/
9.自定义java toString方法
http://java-er.com/blog/java-tostring-method/
10.枚举带属性的实体
http://java-er.com/blog/enum-protype/
11.枚举enumerations中自带方法values和valueOf
http://java-er.com/blog/java-enum-values-valueof/
12.java Instanceof判断一个对象的类型
http://java-er.com/blog/java-instanceof/
13.Java继承inheritance
http://java-er.com/blog/java-inheritance/
14.java abstract抽象类学习
http://java-er.com/blog/java-abstract/
15.java冒泡排序
http://java-er.com/blog/java-bubble-sort/
16.java两种方法写入文件
http://java-er.com/blog/java-write-file/
17.两种读取文件的java方法，java.io.file
http://java-er.com/blog/read-file-java/
18.java多线程编程
http://java-er.com/blog/java-thread/
19.需要熟练使用的Eclipse快捷键
http://java-er.com/blog/eclipse-keybord-common/