•The objective of a Java program is to manipulate data. • Different programs manipulate different data . • A Data type is a set of values together with a set of operations. • Only certain operations can be performed on a particular type of data.
•The objective of a Java program is to manipulate data.• Different programs manipulate different data .• A Data type is a set of values together with a set of operations.• Only certain operations can be performed on a particular type of data.