i have a java program and needed class file is in jar file.
i can compile that java program in three ways but i dont know what is difference between them. plz tell what is the difference between them.
#1. javac Abc.java -classpath="neededJarFile.jar"
#2. set classpath="neededJarFile.jar"
javac Abc.java
#3. set classpath="neededJarFile.jar";.
javac Abc.java
>>>> Specially tell me what is difference b/w #2 and #3