Here are some of the most important differences between a Java constructor and a Java method: Both are similar in many ways, but not identical. The Java constructor is a special type of method. It can also be understood as a subprogram that operates on data and returns some value. It can be invoked during any point in the program by simply using the method name.
#CONSTRUCTOR IN JAVA CODE#
OverloadConst s2 = new OverloadConst(232, “Vijay”,25) Ī Java method is a piece of code that has some specific name. OverloadConst s1 = new OverloadConst(121, “Akhil”) Following code snippet demonstrates constructor overloading in Java: class OverloadConst The Java compiler differentiates between the overloaded constructors by the total number of parameters in the list and their types. All of them are arranged in such a way that each of them performs a distinct task. With constructor overloading, one can have the same constructor but with different parameter lists. Like Java methods, it is possible to overload constructors in Java.
ParaConst s2 = new ParaConst(232, “Vijay”) ParaConst s1 = new ParaConst(121, “Akhil”) The general syntax of a Java default constructor is: This is why it is also known as a no-arg constructor. The Java Default Constructor has no parameters. There are two types of constructors in Java: Default Constructor or no-arg constructor The constructor name must be the same as the one belonging to its class Types of Java Constructors.It can’t be abstract, final, static, or synchronized.A Java constructor mustn’t have an explicit return type.So, let’s kick-off this comprehensive guide to Java constructors with the rules pertaining to the creation of a Java constructor: Rules for Creating a Java Constructor Using access modifiers while declaring a constructor is also possible.Ĭonstructors are an important part of learning Java effectively.
It is a special type of method used for initializing an object.