What do u mean by wrapper Class?
What do u mean by Jvm... How do u change JVM for other OS?
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Answer Posted / babu
In general in java language everything is object but
Primitive data types are not objects.We need a conversion
from primitive data type to object .For this conversion
java provides Wrapper classes.
datatype Wrapper class
int-------Integer
float-----Float
double----Double
long------Long
short-----Short
byte------Byte
char------Char
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