Class 28 | constructor in java - java constructors смотреть онлайн

Class 28 -constructor in java - constructors java - constructors in java - java constructor

In this video You will how to Use constructor in java, and how to make java constructor

Java Constructors
A constructor in Java is a special method that is used to initialize objects. The constructor is called when an object of a class is created. It can be used to set initial values for object attributes:

Exampleu
Create a constructor:

// Create a MyClass class
public class MyClass {
int x; // Create a class attribute

// Create a class constructor for the MyClass class
public MyClass() {
x = 5; // Set the initial value for the class attribute x
}

public static void main(String[] args) {
MyClass myObj = new MyClass(); // Create an object of class MyClass (This will call the constructor)
System.out.println(myObj.x); // Print the value of x
}
}

Note that the constructor name must match the class name, and it cannot have a return type (like void).

Also note that the constructor is called when the object is created.

All classes have constructors by default: if you do not create a class constructor yourself, Java creates one for you. However, then you are not able to set initial values for object attributes.

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