Introduction to BlueJ by Shameem Singh

Block{ }

shameemsingh1 — 2020-07-06 17:48:57 UTC

Group of zero or morestatements written within curly braces.
ex. class block
Token
smallest individual unit of a program. ex. keywords, variables, constants, punctuators, datatypes

keywords
Words conveying a special meaning to the compiler.
ex. public, class, void, int

Identifiers
Names given to different parts of a program like class name, function name, variable name etc
it cannot have spaces, special symbols like >,<,/,(.) etc
It cannot be a keyword.

BlueJ is the integrated development environment on which a JAVA program is created.

shameemsingh1 — 2020-07-06 17:53:23 UTC

class

shameemsingh1 — 2020-07-06 17:55:06 UTC

{
public static void ( )
{
/*declaration or initialization of variables*/
//processing of data
//output or display statement

}
}