How to include libraries in Java without using an IDE

Use:

javac -classpath external.jar myClass.java

If your main class is in a package,

package com.mycompany;

public class myClass
{
...
...

then you’ll need

javac -classpath external.jar com/mycompany/myClass.java

And to run:

java -classpath external.jar com.mycompany.myClass

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