Which of the following is/are true about constructors in Java? Check all that apply.

		1. Constructor name should be same as class name.
		2. A compilation error will occur if a call to super is not written as the first statement in a constructor
		3. If you do not define a constructor for a class, a default parameterless constructor is automatically created by the compiler.
		4. The default constructor calls super() and initializes all instance variables to default value like 0, null.