Errors occur in a program when :

1. Syntax of the programming language is not followed
2. the program does not run properly or does not execute at all
3. The program produces an incorrect result
4. All of the above

Object that share the same attributes and behaviour are grouped together into a/an

1. interface
2. instance
3. alias
4. class

The parameters that are passed to the method when it is invoked are called

1. formal parameters
2. actual parameters
3. informal parameters
4. void parameters

Give the output of Math.sqrt(x); when x = 9.0.

1. 3
2. 3.0
3. 3.00
4. All of these