Java keywords and identifiers are used

Source: Internet
Author: User
Tags java keywords

Key words

Definition: A string ( word) that is given special meaning by the Java language and used as a specialized purpose

Feature: All characters in the keyword are lowercase

Identifiers

Name (variable, method, Class)

Naming rules

Composed of 0-9, 26 English-case and _ or $

Numbers can not start

You cannot use keywords and reserved words.

Strict case sensitivity in Java

Variables (basic data types, basic data type conversions)

Operator

Program Flow Control

Array

Java keywords and identifiers are used

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