Compile and Run Programs from a Text Editor or IDE

Compile and Run Programs from a Text Editor or IDE

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You can compile and run programs using command prompts with help of command environment tools or using IDEs.

 To run with command prompts we need first set path environment variable for java command environment tools.

 To run and compile with IDEs we need set JAVA_HOME environment variable .

To set path



Open the properties of "My Computer Open a window named "System Properties"

Click on the "Advanced" tab Then

 click "Environment Variables" Next,

another window opens Double-click on the "Path" variable on either of the option boxes.

 Donít delete anything in this box.


At the end of the text box, add a semi-colon & add "; C:\Program Files\Java\jdk1.5.0_10\bin" to the text box.

Click "Apply" and "OK" to all the windows you have just opened.

Open the new command prompt again,

To check open cmd and type javac and press enter C:\ >javac

Then Following will display .

Usage: javac
where possible options include:

-g                                 Generate all debugging info
 -g:none                        Generate no debugging info
 -g:{lines,vars,source}   Generate only some debugging info
 -nowarn                      Generate no warnings
-verbose                      Output messages about what the compiler is doing
-deprecation                Output source locations where deprecated APIs are used
-classpath                    Specify where to find user class files
 -cp                             Specify where to find user class files
-sourcepath                 Specify where to find input source files
 -bootclasspath            Override location of bootstrap class files
 -extdirs                       Override location of installed extensions
 -endorseddirs             Override location of endorsed standards path
-d                                Specify where to place generated class files
-encoding                     Specify character encoding used by source files
-source                        Provide source compatibility with specified release
-target                         Generate class files for specific VM version
-version                       Version information
-help                           Print a synopsis of standard options
-X                              Print a synopsis of nonstandard options
-J                                 Pass directly to the runtime system


This means your path variable has been set













 


 

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