Java Programming Examples

Example - Environment

• How to compile a java file?
  
• How to debug a java file?
  
• How to set classpath?

java -cp
java -classpath

• How to view current classpath?

• windows

C:> echo %CLASSPATH%

• linux

echo $CLASSPATH

• How to set destination of the class file?

c:> javac demo.java -d c:\myclasses

• How to run a compiled class file?
  
• How to check version of java running on your system?

java -version

• How to set classpath when class files are in .jar file?

c:> java -classpath C:\java\myclasses.jar com.example.main