CONSTANT IS AN ENTITY ( BODY ) WHOSE VALUE DOESN'T CHANGE .
TYPES OF CONSTANTS
- INTEGER CONSTANTS -----> -1 ,3 , 6 , 8 ETC .
- REAL CONSTANTS ------> - 4.55 , -6 , 7.0 ETC .
- CHARACTER CONSTANTS -----> MUST BE ENCLOSED WITHIN SINGLE INVERTED COMMMAS . LIKE = " a" , " @ " , " $ " ETC .
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