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						Code Conventions for the JavaTM Programming Language
				
				
          Revised April 20, 1999 
          
		
          
		
          
		
          
		
          
		
          
								
          
								
          
								
          
										
          
										
												
														1 Introduction
												
										
										
          
												
          
												
          
												
          
														1.1 Why Have Code Conventions
												
          
												
          
														1.2 Acknowledgments
												
          
										
          
								
          
								
          
										
          
										
												
														2 File Names
												
										
										
          
												
          
												
          
												
          
														2.1 File Suffixes
												
          
												
          
														2.2 Common File Names
												
          
										
          
								
          
								
          
										
          
										
												
														3 File Organization
												
										
										
          
												
          
												
          
												
          
														3.1 Java Source Files
														
          
																
          
																
          
																
          
																		3.1.1 Beginning Comments
																
          
																
          
																		3.1.2 Package and Import Statements
																
          
																
          
																		3.1.3 Class and Interface Declarations
																
          
														
          
												
          
										
          
								
          
								
          
										
          
										
												
														4 Indentation
												
										
										
          
												
          
												
          
												
          
														4.1 Line Length
												
          
												
          
														4.2 Wrapping Lines
												
          
										
          
								
          
								
          
										
          
										
												
														5 Comments
												
										
										
          
												
          
												
          
												
          
														5.1 Implementation Comment Formats
														
          
																
          
																
          
																
          
																		5.1.1 Block Comments
																
          
																
          
																		5.1.2 Single-Line Comments
																
          
																
          
																		5.1.3 Trailing Comments
																
          
																
          
																		5.1.4 End-Of-Line Comments
																
          
														
          
												
          
												
          
														5.2 Documentation Comments
												
          
										
          
								
          
								
          
										
          
										
												
														6 Declarations
												
										
										
          
												
          
												
          
												
          
														6.1 Number Per Line
												
          
												
          
														6.2 Initialization
												
          
												
          
														6.3 Placement
												
          
												
          
														6.4 Class and Interface Declarations
												
          
										
          
								
          
								
          
										
          
										
												
														7 Statements
												
										
										
          
												
          
												
          
												
          
														7.1 Simple Statements
												
          
												
          
														7.2 Compound Statements
												
          
												
          
														7.3 return Statements
												
          
												
          
														7.4 if, if-else, if else-if else Statements
												
          
												
          
														7.5 for Statements
												
          
												
          
														7.6 while Statements
												
          
												
          
														7.7 do-while Statements
												
          
												
          
														7.8 switch Statements
												
          
												
          
														7.9 try-catch Statements
												
          
										
          
								
          
								
          
										
          
										
												
														8 White Space
												
										
										
          
												
          
												
          
												
          
														8.1 Blank Lines
												
          
												
          
														8.2 Blank Spaces
												
          
										
          
								
          
								
          
										
          
										
												
														9 Naming Conventions
												
										
								
          
								
          
										
          
										
												
														10 Programming Practices
												
										
										
          
												
          
												
          
												
          
														10.1 Providing Access to Instance and Class Variables
												
          
												
          
														10.2 Referring to Class Variables and Methods
												
          
												
          
														10.3 Constants
												
          
												
          
														10.4 Variable Assignments
												
          
												
          
														10.5 Miscellaneous Practices
														
          
																
          
																
          
																
          
																		10.5.1 Parentheses
																
          
																
          
																		10.5.2 Returning Values
																
          
																
          
																		10.5.3 Expressions before `?' in the Conditional Operator
																
          
																
          
																		10.5.4 Special Comments
																
          
														
          
												
          
										
          
								
          
								
          
										
          
										
												
														11 Code Examples
												
										
										
          
												
          
												
          
												
          
														11.1 Java Source File Example
												
          
										
          
										
          
										
          
								
          
								
          
								
          
						
          
				
						
          
								
								
								
								
								
								
								
								
								
								
						
          
						
				          
		
          

	
          posted on 2006-07-16 15:29 rd2pm 閱讀(419) 評論(0)  編輯  收藏  
          

          







          
	    
    




          





          


          

	
          
		
          
				
		
	
		
          
		
		
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