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Level 7

Basic Syntax

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System.out.println("Hello World");
Displays "Hello World"
Case Sensitivity
Class Names
For all class names the first letter should be in Upper Case.
Method Names
All method names should start with a Lower Case letter.
file extension
All identifiers should begin with
a letter (A to Z or a to z), currency character ($) or an underscore (_).
Case Sensitivity
Most importantly identifiers are case sensitive.
it is possible to modify classes, methods, etc., by using modifiers.
single line comment
/* comment. */
multiline comment
import java.io.*;
Import statements: