Question

1. Assign the suitable data type for the following values.

a) 130

b) false

c) “DataTypes”

d) ‘d’

e) 15.50

f) 6.03165491



2. Distinguish between primitive and non-primitive data types.

Programs:

1. Write a program in Java to take 3 input values from user (run-time) and calculate and display the average of those no’s.

(Hint: (a+b+c)/3)

2. Write a program in Java to calculate the simple interest. Value of principal, rate and time should be entered by user run-time.

(Hint: (p*r*t)/100)

3. Write a program in Java to calculate area of square.

(Hint: area= side*side)​

Answer 1

Answer:

The main difference between primitive and non-primitive data types are: Primitive types are predefined (already defined) in Java. Non-primitive types are created by the programmer and is not defined by Java (except for String ). ... A primitive type has always a value, while non-primitive types can be null