Syntax

Question 1

What is a semicolon ( ; ) used for?

Answer 1

To end a Statement.

Question 2

What are curly braces/brackets for? ( { } )

Answer 2

They are for grouping blocks of code, whether it’s a part of a class, method, or conditional statement.

Question 3

What should every Java source code file (generally) start with?

Answer 3

Defining a class.
Ex. public class ClassName

Question 4

What does // mean?

Answer 4

A single line comment. The compiler ignores this line.

Question 5

What does /* */ represent?

Answer 5

A block comment, it is used to comment out a block of code. It can also be used on a single line.

Question 6

What method should (generally) be present in a Java program?

Answer 6

The ‘main’ method. This is the entry point into the program.

Ex. public static void main(String[] args)

Question 7

What should always come in pairs?

Answer 7

Parentheses, braces and quotation marks.

( ) [ ] { } “ “ ‘ ‘

Question 8

How is whitespace treated by the compiler?

Answer 8

It is ignored. Unless it is within two double quotation marks.