Java-java function

Source: Internet
Author: User
Tags map class

Java-java function a detail
1 import com.chengzhi.pkg2.*; importing files within a package
2 package com.chengzhi.pkg1; Set up the file in the COM Chengzhi pkg1 directory, the directory will be created automatically, the ***.MF file is created before packaging, and written to Main-class:test (the name of my Java source file)

3 API application Programming interface

4 Custom class first letter capitalization
5 two common classes
1 Util Pack-date class
2 Util Pack-map class

3 lang packet-math
4 lang packet-string
There are other needs to use the words you can view the API documentation, attached here JDK1.7 English version, encourage the use of English version, can improve reading ability Http://pan.baidu.com/s/1bnrraXp

Java-java function

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