Answer Posted / maddy

Data Encapsulation is the process of combining data and
functions into a single unit called class. By this method
one cannot access the data directly. Data is accessible
only through the functions present inside the class. Thus
Data Encapsulation gave rise to the important concept of
data hiding.

Example:

public class class1
{
void role1();
void role3();
}

class1 c=new class1();
c.role1();
c.role3();

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