2. What is the output of the following code? public class B { int x=5; public static void main(String[] args) { B b1 = new BO; Bb2 = new BO: b1.x= 10: System.out.println(b2x): 1 1. What the difference between the Primitive Variable and the Reference variable? Give an example for each of them 4. define the error in the following code: class A{ private int x=3; public int y=5; } class B{ void mo { A a1= new AO a 1.x=4 al.y=B: 5. What is the output of the following code? public class Abc { static int z=5; public static void main(String[] args) { Abc obj1 = new Abco: Abc obj2 = new Abc0; obj1 .z= 10; System.out.println(obj2.z); } 6. What is the data field encapsulation? 7. define the error in the following code: public class hello { int x= 10; static void methodol X= 20 8. Using java: 1:-define a class (myclass). 2:- define two constructors for the class: The first constructor with no-argument and the second constructer has one string argument. 3:-declare and create two objects from the class myclass ( using the two constructors). (3 Points) 3. A class has a default constructor only if the class does not define any constructor. (1 Point) True False