Check all statements that are true regarding constructors in Java

1. A default empty constructor will be generated if you don't provide any. This default constructor calls super() and initializes all instance variables to default value like 0, null.

2. Constructor name should be the exact same same name as the class name

3. A class can only have one or more constructors

4. It is not required to explicitly define a constructor

5. A class can only have one constructor