Command to compile a jar file

Avoiding NullPointerException in Java. How do I generate random integers within a specific range in Java? How can I create a memory leak in Java? What is the difference between public, protected, package-private and private in Java?

How do I convert a String to an int in Java? How do I determine whether an array contains a particular value in Java? I recommend using the class I've created. Step 1: Locate the Jar utility in the JDK folder Before you do anything else, make sure that you have jdk installed on your computer. You also will need to know the directory to the jdk.

Specifically, you will need the path to the Jar utility that is inside your jdk folder. Step 2: Create themanifest file Since you could potentially be compiling many files into one jar file, Java needs to know which one will have the main method. Our example is a bit more trivial since we're just compiling one class into a Jar. Nonetheless, the way that Java knows which of classes has the main method is from a single line in what's known as a manifest file.

Active Oldest Votes. You can include your jar files in the "javac" command using the "-cp" option. Improve this answer. Manoj 1 1 gold badge 6 6 silver badges 22 22 bronze badges. I was using mac. I read somewhere that ':' is used for unix. I have used this command but when tried to access the class present in jar file, I am getting ClassNotFoundException. Typo mistake. Above didn't worked for me on ubuntu. I tried without quotation mark and it worked. Spudley k 39 39 gold badges silver badges bronze badges.

Jamsheer Jamsheer 3, 3 3 gold badges 25 25 silver badges 53 53 bronze badges. Syntax will work on windows dos command: javac -cp ". After successful execution of above command how to run the java class file?

The followings are steps, Copy all jars and your. To compile, javac -cp. Thanks for also showing how to execute.

What does the dot colon do again? It's current directory and file separator? But for better understanding the threads, we are explaining it in the 5 states. The life cycle of the thread in java is controlled by JVM. The javap tool is used to get the information of any class or interface.