javac

Question 1

Java bytecode

Answer 1

source code is compiled with javac which outputs .class files; .classes are filled with bytecode– binary– so it can be run on the JVM;

Question 2

JVM

Answer 2

engine that runs Java programs; takes .class files and bytecode and executes them

Question 3

javac

Answer 3

java compiler; turns .java into .class to be run by the java virtual machine