Methods in Java

What is method: A method is a block of code that performs a specific task and declared within the class. Methods are fundamental to object-oriented programming in Java, as they encapsulate the behavior of objects.

className object = new className;

here, className refers to data type.

Method is some kind of action. Void return type is used. This will not return any value.
Method definition should not be given inside a method.

Ex:

class Shop{
String prod_name;
int price;
public static void main(String[] args){
Shop prod1 = new Shop();
Shop prod2 = new Shop();
prod1.prod_name = "soap";
prod1.price = 50;
prod2.prod_name = "milk";
prod2.price = 150;

prod2.buy();
prod1.buy();

}

public void buy(){
System.out.println("buy method");
System.out.println(prod_name + " => " +price);}
}

Output:

buy method
milk => 150
buy method
soap => 50