Java Learning Notes 4_eclipse Use guide and. Classpath,.project,/SRC and/bin

Pre: Eclipse is a common IDE for Java development. Find two more useful eclipse usage guides on the web.

Http://wenku.baidu.com/view/b7a23277f46527d3240ce054.html

http://wenku.baidu.com/view/56fc4d6427d3240c8447ef8e.html?from=rec&pos=0&weight=5&lastweight=2 &count=5

1. Eclipse Common shortcut keys

Delete Row: Ctrl+d selected closed element: Alt+shift+up/down/left/right Import/import:ctrl+shift+o Display Search dialog: Ctrl+h Quick Outline:ctrl+o Toggle between multiple editors: ctrl+e (edit first letter) Open resource: Ctrl+shift+r Open type: ctrl+shift+t new blank line: Shift + ENTER after the current line with a blank line, CTRL + Shift + ENTER in the current Line preceded by a blank line shortcut key ctrl+/get annotation//symbol or ctrl+shift+\ get annotation symbol * * * * with refactor under the Rename command (shortcut key: ctrl+alt+r) To modify the source file variable name, class name or function name. Debug Related: 1 in debugger, can view stack and variables 2) Step-over/in/out shortcut key is: F5,f6, 3) with the upper left corner Red Square icon to terminate the program; 3 Replace the Debug and Java perspective interface with the J-java icon in the upper-right corner.

More frequently used shortcuts:

Reference http://www.cnblogs.com/fangyukuan/archive/2010/04/05/1704852.html

The 10 most useful shortcuts in eclipse: http://www.open-open.com/bbs/view/1320934157953/
2. Eclipse Project contains a description of the file

After building Eclipse Java project, the entire project corresponds to a directory on disk that contains the following five sections:

1) directory src: here to store Java source program

2 Directory Bin: Here is the use of Javac compilation of the formation of class files

3 directory. Settings: The configuration information for various plug-ins is stored here.

4 and 5) files. Classpath and. Project: Configuration information containing Eclipse 2.1. classpath file

The contents of the . Classpath file are opened as follows. The following is a helloworld.java corresponding. classpath file, so it's simpler, but you can also see useful information:

<?xml version= "1.0" encoding= "UTF-8"?>

<classpath>

<classpathentry kind= "src" path= "src"/>

<classpathentry kind= "Con" path= "org.eclipse.jdt.launching.jre_container/ org.eclipse.jdt.internal.debug.ui.launcher.standardvmtype/javase-1.7 "/>

<classpathentry kind= "Output" path= "Bin"/>

</classpath>

This is an XML configuration file that points to the project's dependent files, which are configured to configure the entire project's operating environment.

1 The source file of the project "kind = src" is located in the directory "src";

2 The output directory of the project "kind = Output", located in "Bin";

3 The operating environment of the project "kind = con" (Con expression condition) 2.2. Project file

Open. Project

<?xml version= "1.0" encoding= "UTF-8"?>

<projectDescription>

<name>TestSDK</name>

<comment></comment>

<projects>

</projects>

<buildSpec>

<buildCommand>

<name>org.eclipse.jdt.core.javabuilder</name>

<arguments>

</arguments>

</buildCommand>

</buildSpec>

<natures>

<nature>org.eclipse.jdt.core.javanature</nature>

</natures>

</projectDescription>

1. <name> indicates the project name;

2. Comments in <comment> Engineering;

3. <natures> requires additional eclipse Plug-ins at run time

4. <buildSpec> Specific Loading information