Q1: What is a constructor in Java, and when is it called? A1: A constructor in Java is a special method used to initialize objects. It is called when an instance of a class is created, allocating memory for the object in RAM. Q2: What happens if a class in Java does not have any constructor defined? A2: If a class in Java doesn't have any constructor defined, the Java compiler provides a default constructor by default. Q3: What are the two types of constructors in Java? A3: There are two types of constructors in Java: 1. No-arg constructor (Default constructor) 2. Parameterized constructor Q4: What are the rules for creating a Java constructor? A4: The rules for creating a Java constructor are as follows: - Constructor name must be the same as its class name. - A constructor must have no explicit return type. - A Java constructor cannot be abstract, static, final, or synchronized. Q5: What are the different access modifiers that can be used while declaring a constructor in ...
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