1th Chapter EclipseDevelopment Tools1.1 EclipseOverview and Installation
Eclipse is an IDE (integrated development environment) IDE (Integrateddevelopment Environment)
Integration of code writing functions, analysis functions, compile functions, debugging functions and other integrated development software.
Eclipse Description: Free, pure Java language written, free installation, strong extensibility
Download and install, download http://eclipse.org/
Installation: Green version, decompression can be used (Eclipse)
1.2 Eclipsethe basic use1.2.1EclipseBasic Operations
Select a work space
The workspace is actually the directory where we write the source code.
Use Eclipse to complete a HelloWorld case
A: To Create a Java project: Click File or in the left-most margin, select the Java project, write a project name in the interface, and finish.
B: Create a package: Expand the project and build a package under the source bundle SRC Com.itheima
C: Create class: Build a class under the Com.ithiema package HelloWorld
Write a class name in the interface: HelloWorld, then finish.
D: Write code: Write the Main method in the HelloWorld class, write in the main method
An output statement: I am a dark horse programmer, I am proud, I am proud.
E: Compile: Automatic compilation, at the moment of saving to help you do it
F: Run Select a file to run or in the content of the file to be run
Right--Run as-javaapplication
1.2.2Code Case One
Package Com.itheima; public class HelloWorld {public staticvoid main (string[] args) {System.out.println ("I Am a Java programmer, I am proud, I am proud"); }}
1.3 EclipseBasic configuration of the work space
A: display and hide of line numbers
display: In the left-most blank area of the code area, right-show line numbers.
Hide: Do the above action again.
B: font size and color
A:java font size and color for code areas:
Window--Preferences--general--appearance--Colors and Fonts--Java--Java Edit Text Font
B: Control Desk
Window--Preferences--general--appearance--Colors and Fonts--Debug-Console font
C: Other Files
Window--Preferences--general--appearance--Colors and Fonts--Basic--Text Font
C: form to mess up, how to do?
Window--Perspective--Reset perspective
D: What if the console can't find it?
Window--show View-console
1.4 Eclipseuse of secondary and shortcut keys in1.4.1Overview of Common auxiliary keys and shortcut keys
Content Secondary Key alt+/
Main then alt+/
Syso then alt+/
Shortcut keys
Comments
Single-line selection, ctrl+/, Cancel again
Multi-line selection, ctrl+shift+/, ctrl+shift+\
Formatting ctrl+shift+f
1.1.1Code Case Two
package com.itheima_02;/* * Content Auxiliary Key: Alt+/ * a:main method * main, then alt+/, enter *    B: Output statement * syso, then alt+/, enter * * shortcut keys: * a: Comments * single-line selection, ctrl+/, one more time to cancel * multi-line selection, ctrl+shift+/,ctrl+shift+ * b: Formatting * ctrl+shift+f */public class helloworld { public staticvoid main (String[] args) { system.out.println ("HelloWorld1"); system.out.println ("HelloworLd2 "); system.out.println (" HelloWorld3 "); system.out.println ("HelloWorld4"); system.out.println ("HelloWorld5"); }}
1.2 EclipseDelete and import of items in
A: Delete Item
Select Item – Right-click – Delete
Remove from Project area
Remove from hard disk
B: Import Project
Right-click in the project area to find the import
Find General, expand, and find
Existing Projects into Workspace
Click Next, then select the item you want to import
Note: The project name is selected here
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Eclipse Development Tools