class in java
A class
— is a template used to create objects and to define object data types and methods.
Classes are categories, and objects are items within each category.
All class objects should have the basic class properties.class in java
A class
— is a template used to create objects and to define object data types and methods.
Classes are categories, and objects are items within each category.
All class objects should have the basic class properties.what is an object in java
This YouTube video explains the general idea of it.
https://youtu.be/Mm06BuD3PlYjavadoc reference general toString
/**
* This javadoc text will reference Object's
* {@link java.lang.Class#toString()} method.
*/
// Output in Javadoc:
// This javadoc text will reference Object's Class.toString() method.object in java
Objects: came from class, we can create multiple objects from a class
ArrayList<> list = new ArrayList<>();
Class refName OBJECT
each object has its own copy of instance variable
· declared outside the blocks or methods
Object: Instance of the class. We can store different data's to objects
Object Creation: with new keyword.
ClassName obj = new ExistingConstructor;java classes and objects
class Dog {
int age = 5;
public static void main(String[]args) {
Dog myObj = new Dog();
System.out.println(myObj.age);
}
}Copyright © 2021 Codeinu
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