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Answer Posted / vijayakumar chinnasamy
Casting mostly used for converting value from one data type
to another data type.Mostly used for convert incompatible
data.
eg:
WRRONG
long a=20; // a is 64bit(long) data
int b=10; // b is 32 bit data.
b=a; // u r trying to assign 64bit data into 32 bit data
CORRECT
long a=20; // a is 64bit(long) data
int b=10; // b is 32 bit data.
b=(int)a; // ur converting 64bit data into 32bit data
then assign to variable b.
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