The java compiler requires that a source file use the filename extension question 3 options: 1) .class 2) .h 3) .java

3) .java Let's look at the three options and see why they're right or wrong. 1) .class This is the file extension that the java compiler used to the compiled output from the compiler. So it's the wrong answer. 2) .h This is the file extension used for C and C++ header files. So once again, not the right answer. 3) .java This is the correct extension for a java source file to be compiled.

You can not do so.unless you open another tab in your browser.because you can have up on different tab up to six tabs.i hope this

The answer is length!