Write a program to display properties of AC using class and object in java

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Hello guys, welcome to lingarajtechhub.com. Today we are going to discuss the display properties of AC using class and object in java.


package com.AC_oops_class_obj.java;
public class AC {
	String name;
	int price;
	void AC_input() {
	void AC_display() {

	public static void main(String[] args) {
		AC a=new AC();


  • package com.AC_oops_class_obj.java

 It is a java package , this package is created in a java project and it contains classes inside the package.


  • public class AC 

 “AC” is the class-name , class is a template used to create objects & class-name first letters must be capital. It is public means we can use this outside of the package.


  • String nameHere the name  is the variable and String is a class. It is not a data type


  • int price

Here price is the variable and int (Integer) is a data type of the variable.


  • void AC_input() {




 In this line  we create a method whose name takes AC_input() where  store properties values.


  • void AC_display() {




 In this line  we create a method whose name takes AC_display().system is a predefined  class .Out is a static variable of type printstream present in system class. Println shows the result.


  • public static void main(String[] args) 

It is a main method in which we can execute a program.

  •  public : It is an access modifier. The main() is public because we can access main() outside of the class , if main() can’t be public then JVM(Java Virtual Machine) can’t be called main() & code can’t be executed. 
  •  Static : static is a keyword in which the main method has to be static in which JVM can load the class into memory and call the main method without creating an instance.
  •  Void : Void is a data type. It means no return type. 
  •  main(): Main is a function. 
  •  String [] args : string means collection of characters ,String[] args represents a collection of Strings that are separated by a space and can be typed into the program on the terminal directly. 


  • AC a=new AC()

 Here “a” is the instance variable.It is created to assign the default values to the instance variables of the class when an object is created.


  • a.AC_input()

“a” is the instance variable which is created. “ .” is the connector .AC_input() is a method where our input values will be stored.


  • a.AC_display()

“a” is the instance variable which is created. “ .” is the connector . AC_display() is a method where our result will be stored.

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Myself Sonalin Shaoo. I am quite happy to contribute here some java programming content and my friends Lipsa Mohanty ,Sushil Puhan, Aswin Kumar Nayak also help me to contribute their Opinion on this .

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