System.out.println(“Hello World!”);

• double quotes “ ” to show the start and end of your message.

System.out.println(“Hello World!”);

• What if I want to use them as part of my message?

“Hello World!”

So, for Java, double quotes and apostrophes have a special meaning.

To use them as part of your message you have to use escape sequences.

System.out.println (" \"Hello World!!\" ");

Escape Sequence

Name Description

\n New line Takes the cursor to the beginning of the next line e.g. System.out.println(“\n Welcome”);

\t Horizontal tab

Takes the cursor to the next tab stop e.g. System.out.println(“\t Welcome”)

\” Double quote

Displays a quotation mark (“)

\’ Apostrophe Displays an apostrophe (‘)

Code User Screen

System.out.print(‘G’) G

System.out.print(5) 5

System.out.print(2016) 2016

• Text that is not part of your code but serves as a guide when trying to figure out what the lines of your program mean.

• You can write anything you wish inside comments.