Suppose I made a program to take two input and display the sum. It runs in netbeans but when I build out the jar file , and double clicked the jar file , nothing happens. How can I make these program run?
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Turn it into an executable jar Link: http://stackoverflow.com/questions/5258159/how-to-make-an-executable-jar-file – Shloim Nov 22 '15 at 11:46
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@Shloim that question is about swing, this here is about a consoleapp – Nov 22 '15 at 11:48
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I know, but it's the exact same set of instructions. – Shloim Nov 22 '15 at 11:50
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You must run this from command line, and then execute java -jar {PATH_TO_JAR}
Albert Bos
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You can use the command-line :
java -jar <yourjar> <yourMainClass>
You can also add the main class in a manifest file into the jar. Doing so, you don't need to specify anymore on command line
Prim
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Jar files needs to run in JVM - Java Virtual machine, to run your file use: "java -jar" and your jar. By doing so, you tell Java to run your jar in jvm which means it now can run.
user2517841
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