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Showing posts from February, 2019

SYSTEM ANALYSIS AND DESIGN

SYSTEM ANALYSIS AND DESIGN  The System is a word derived from the Greek word 'Systema' which means an organized relationship  among components. An Information system is an arrangement of people, data, processes, information presentation and information technology that interacts to support and improve day to day operations in business as well as support the problem solving and decision making needs of management and users. DEVELOPMENT OF A SUCCESSFUL SYSTEM   The success of any depends on the approach of building it. If the development approach is right,   the system will work successfully. System Development Life Cycle  SDLC is a standard methodology for the development of an Information System. it mainly consists of  four phases: System Analysis, System Design, System Construction & Implementation, System Support. every phase consists of input, tasks and outputs. System Development Life Cycle .................

JAVA(KEYWORDS)

JAVA LIST OF JAVA KEYWORDS         KEYWORD:    PURPOSE     ABSTRACT : It declares that a class or method is abstract ASSERT : Used to specify assertions BOOLEAN : Declares that variable is a Boolean type BREAK : Used to exits a loop before the end of the loop is reached BYTE : Declares that variable is byte type CASE : To represent different conditions in a switch statement   CATCH : Used for handling exceptions CHAR : Declares that variable is a character type   CLASS : Signals the beginning of a class definition  CONST : This keyword is reserved by java but now it is not in use CONTINUE : Prematurely return to the beginning of a loop  DEFAULT : Default action in a switch statement DO : Begins a do while loop DOUBLE : Declares that variable is a double type ELSE : Signals the code to be executed when if condition executes to false EXTENDS : Specifies the class base from which the corr...