java源码

比眉伴天荒 2021-09-21 01:06 347阅读 0赞

# Java常用包 #

下面列出了Java常用包，点击链接可以查找该包下面的常用类，点击类链接可以查看该类的常用方法使用源码。

<table> 
 <thead> 
 <tr> 
 <th>模块</th> 
 <th>项目数</th> 
 </tr> 
 </thead> 
 <tbody> 
 <tr> 
 <td>1.&nbsp;<a href="http://codingdict.com/sources/java/java.util.html" rel="nofollow">java.util</a></td> 
 <td>有(110)个常用类</td> 
 </tr> 
 <tr> 
 <td>2.&nbsp;<a href="http://codingdict.com/sources/java/java.io.html" rel="nofollow">java.io</a></td> 
 <td>有(80)个常用类</td> 
 </tr> 
 <tr> 
 <td>3.&nbsp;<a href="http://codingdict.com/sources/java/android.widget.html" rel="nofollow">android.widget</a></td> 
 <td>有(100)个常用类</td> 
 </tr> 
 <tr> 
 <td>4.&nbsp;<a href="http://codingdict.com/sources/java/android.view.html" rel="nofollow">android.view</a></td> 
 <td>有(55)个常用类</td> 
 </tr> 
 <tr> 
 <td>5.&nbsp;<a href="http://codingdict.com/sources/java/java.net.html" rel="nofollow">java.net</a></td> 
 <td>有(63)个常用类</td> 
 </tr> 
 <tr> 
 <td>6.&nbsp;<a href="http://codingdict.com/sources/java/java.util.concurrent.html" rel="nofollow">java.util.concurrent</a></td> 
 <td>有(60)个常用类</td> 
 </tr> 
 <tr> 
 <td>7.&nbsp;<a href="http://codingdict.com/sources/java/android.os.html" rel="nofollow">android.os</a></td> 
 <td>有(55)个常用类</td> 
 </tr> 
 <tr> 
 <td>8.&nbsp;<a href="http://codingdict.com/sources/java/android.content.html" rel="nofollow">android.content</a></td> 
 <td>有(49)个常用类</td> 
 </tr> 
 <tr> 
 <td>9.&nbsp;<a href="http://codingdict.com/sources/java/android.graphics.html" rel="nofollow">android.graphics</a></td> 
 <td>有(53)个常用类</td> 
 </tr> 
 <tr> 
 <td>10.&nbsp;<a href="http://codingdict.com/sources/java/android.app.html" rel="nofollow">android.app</a></td> 
 <td>有(58)个常用类</td> 
 </tr> 
 <tr> 
 <td>11.&nbsp;<a href="http://codingdict.com/sources/java/org.junit.html" rel="nofollow">org.junit</a></td> 
 <td>有(13)个常用类</td> 
 </tr> 
 <tr> 
 <td>12.&nbsp;<a href="http://codingdict.com/sources/java/javax.swing.html" rel="nofollow">javax.swing</a></td> 
 <td>有(127)个常用类</td> 
 </tr> 
 <tr> 
 <td>13.&nbsp;<a href="http://codingdict.com/sources/java/java.lang.reflect.html" rel="nofollow">java.lang.reflect</a></td> 
 <td>有(29)个常用类</td> 
 </tr> 
 <tr> 
 <td>14.&nbsp;<a href="http://codingdict.com/sources/java/java.awt.html" rel="nofollow">java.awt</a></td> 
 <td>有(108)个常用类</td> 
 </tr> 
 <tr> 
 <td>15.&nbsp;<a href="http://codingdict.com/sources/java/android.util.html" rel="nofollow">android.util</a></td> 
 <td>有(48)个常用类</td> 
 </tr> 
 <tr> 
 <td>16.&nbsp;<a href="http://codingdict.com/sources/java/java.security.html" rel="nofollow">java.security</a></td> 
 <td>有(73)个常用类</td> 
 </tr> 
 <tr> 
 <td>17.&nbsp;<a href="http://codingdict.com/sources/java/java.text.html" rel="nofollow">java.text</a></td> 
 <td>有(24)个常用类</td> 
 </tr> 
 <tr> 
 <td>18.&nbsp;<a href="http://codingdict.com/sources/java/java.sql.html" rel="nofollow">java.sql</a></td> 
 <td>有(52)个常用类</td> 
 </tr> 
 <tr> 
 <td>19.&nbsp;<a href="http://codingdict.com/sources/java/javax.persistence.html" rel="nofollow">javax.persistence</a></td> 
 <td>有(127)个常用类</td> 
 </tr> 
 <tr> 
 <td>20.&nbsp;<a href="http://codingdict.com/sources/java/java.lang.annotation.html" rel="nofollow">java.lang.annotation</a></td> 
 <td>有(12)个常用类</td> 
 </tr> 
 <tr> 
 <td>21.&nbsp;<a href="http://codingdict.com/sources/java/android.support.v4.app.html" rel="nofollow">android.support.v4.app</a></td> 
 <td>有(30)个常用类</td> 
 </tr> 
 <tr> 
 <td>22.&nbsp;<a href="http://codingdict.com/sources/java/java.awt.event.html" rel="nofollow">java.awt.event</a></td> 
 <td>有(43)个常用类</td> 
 </tr> 
 <tr> 
 <td>23.&nbsp;<a href="http://codingdict.com/sources/java/com.google.common.collect.html" rel="nofollow">com.google.common.collect</a></td> 
 <td>有(98)个常用类</td> 
 </tr> 
 <tr> 
 <td>24.&nbsp;<a href="http://codingdict.com/sources/java/android.support.annotation.html" rel="nofollow">android.support.annotation</a></td> 
 <td>有(45)个常用类</td> 
 </tr> 
 <tr> 
 <td>25.&nbsp;<a href="http://codingdict.com/sources/java/java.util.regex.html" rel="nofollow">java.util.regex</a></td> 
 <td>有(4)个常用类</td> 
 </tr> 
 <tr> 
 <td>26.&nbsp;<a href="http://codingdict.com/sources/java/android.support.v7.widget.html" rel="nofollow">android.support.v7.widget</a></td> 
 <td>有(56)个常用类</td> 
 </tr> 
 <tr> 
 <td>27.&nbsp;<a href="http://codingdict.com/sources/java/android.text.html" rel="nofollow">android.text</a></td> 
 <td>有(29)个常用类</td> 
 </tr> 
 <tr> 
 <td>28.&nbsp;<a href="http://codingdict.com/sources/java/java.nio.file.html" rel="nofollow">java.nio.file</a></td> 
 <td>有(43)个常用类</td> 
 </tr> 
 <tr> 
 <td>29.&nbsp;<a href="http://codingdict.com/sources/java/android.support.v7.app.html" rel="nofollow">android.support.v7.app</a></td> 
 <td>有(19)个常用类</td> 
 </tr> 
 <tr> 
 <td>30.&nbsp;<a href="http://codingdict.com/sources/java/com.google.gson.html" rel="nofollow">com.google.gson</a></td> 
 <td>有(24)个常用类</td> 
 </tr> 
 </tbody> 
</table>