+2  A: 

Ant will both compile the code (compile target) and build the jar file (target jar), which will be placed in lib folder. When you simply compile the code with javac, the jar file isn't generated.

kgiannakakis
A: 

Hi every one.

I have installed red5 server on my machine and also JDK version of 1_5_0_11

java -classpath C:\Program Files\Red5\red5.jar F:\Video Chat\red5chatv2.1\JAVA-RED5\src\chat\application.java

but when I tryed to compile to get my application.class file using above shown command on command promt I got error : Exception in thread "main" java.lang.NoClassDefFoundError: Files\Red5\red5/jar

A: 

Hi every one.

I have installed red5 server on my machine and also JDK version of 1_5_0_11

java -classpath C:\Program Files\Red5\red5.jar F:\Video Chat\red5chatv2.1\JAVA-RED5\src\chat\application.java

but when I tryed to compile to get my application.class file using above shown command on command promt I got error : Exception in thread "main" java.lang.NoClassDefFoundError: Files\Red5\red5/jar