There are two types of data type in java .
  1. Primitive data type .
  2. Non-Primitive data type.
Primitive data types are- 
  1. int data type
  2. boolean data type
  3. float data type
  4. char data type
  5. double data type
  6. long data type
  7. short data type
Non-primitive data types are -
  1.  String 
  2. Array 
  3. etc
Source Code:
  1. public class DataType {
  2. public static void main(String[] args) {
  3. boolean b;
  4. int i = 25;
  5. double d = 203.5;
  6. byte bt = 127;
  7. float f= 12.2f;
  8. b = true;
  9. System.out.println("Boolean ="+b);
  10. System.out.println("integer="+i);
  11. System.out.println("double="+d);
  12. System.out.println("byte="+bt);
  13. System.out.println("float="+f);
  14. }
  15. }
Output:

Boolean =true
integer=25
double=203.5
byte=127
float=12.2

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