DIFFRENCE B/W STRUCTURE AND UNION

STRUCTURE:-

                         ARRAY CAN BE USED TO REPRESENT A GROUP OF DATA ITEMS THAT BELONG TO THE SAME TYPE SUCH AS INT OR FLOAT. C LANGUAGE SUPPORT CONSTRUCT DIFFERENT DATA TYPE KNOWN AS STRUCTURE.

UNION:-

               UNION CAN BE VISUALIZED AS SPECIAL TYPE OF STRUCTURE , WHOSE MEMBER CAN SHARE COMMON MEMORY SPACE.
AT ANY GIVEN POINT OF TIME , ONLY ONE MEMBER WILL PRESENT IN THE MEMORY. THE SIZE OF UNION IS THE MAXIMUM DATA MEMBER OF A UNION. IT IS USE KEYWORD "UNION".

DIFFERENCE BETWEEN STRUCTURE AND UNION

STRUCTURE:-

1.STRUCTURE HAS DEFINED BY THE KEYWORD STRUCT.

2.INDIVIDUAL MEMBER CAN BE ACCESSED AT A TIME.

3.EACH MEMBER WITHIN A STRUCTURE IS ASSIGN UNIQUE STORAGE  AREA OF       LOCATION.

4.SEVERAL MEMBERS OF A STRUCTURE CAN BE INITIALIZED AT ONCE.

5.ALTERING THE VALUE OF A MEMBER WILL NOT AFFECT OTHER MEMBER OF THE     STRUCTURE.


UNION:-

1.UNION HAS DEFINED BY THE KEYWORD UNION.

2.ONLY ONE MEMBER CAN BE ACCESSED AT A TIME.

3.MEMORY ALLOCATED IS SHARE BY INDIVIDUAL MEMBERS OF UNION.

4.ONLY THE FIRST MEMBERS OF A UNION CAN BE INITIALIZED.

5.ALTERING THE VALUE OF A MEMBER WILL ALTER OTHER MEMBER VALUES.

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