It is compiled into bytecode which the JVM then executes

It is executed directly by the operating system as machine code

It is interpreted line-by-line straight from the .java file with no compilation step

As many as needed, there is no fixed limit

Yes, break can appear anywhere in a method

No, the compiler rejects it outside loops and switch statements

area(double), because int is always widened first

area(int), because it is an exact match for the argument

Compilation, Execution, Debugging, Testing

Encapsulation, Inheritance, Polymorphism, Abstraction

With a full method body enclosed in braces

With the abstract keyword and a semicolon instead of a body

Deletes the file it represents from the filesystem, if it exists

Empties the file's contents but keeps the file itself

Java Quiz