Java Foundations: 1Z0-811

Given the code fragment:

Which code fragment can be inserted at line n1 to enable the code to print 0.0?

A. Ball b = null;

B. weight = 0.0;

C. Ball.weight = 0.0;

D. Ball b = new Ball(0.0);

E. Ball b = new Ball();

Given the contents of Student.java:

Which statement is true?

A. The commands: javac Student.java java Student Richard William Java throw an error about a missing Course.class file.

B. The commands: javac Course.java javac Student.java java Course java Student "Richard William" Java are used to print Richard William is studying Java.

C. The commands: javac Student.java java Student Richard William Java are used to print Richard William is studying Java.

D. The commands: javac Student.java java Student "Richard William" Java are used to print Richard William is studying Java.

Given:

What is the output?

A. 1 2 3 aaaa

B. 1 2 aaa

C. Compilation fails

D. a