Class in java

Class is a blueprint of object. Inside the class you can declare variable,method and also another class(Inner class).

Example-1

class Class_Name
{
      public void method()
      {
             System.out.print("mycrazycoding");
      }
}

public class Main
{
      public static void main(String [] args)
      {   
             Class_Name object = new Class_Name();

             object.method();
      }
}

Output

mycrazycoding

Example-2

class Class_Name
{

       int a = 5;
       int b = 6;

       public void add()
       {
              System.out.print(a+b);
       }
}

public class Main
{
       public static void main(String [] args)
       {   
              Class_Name object = new Class_Name();

              object.add();
       }
}

Output

Example-3

class Class_Name
{
  
       int a = 5;
       int b = 6;

       public int add()
       {
              return a+b;
       }
}

public class Main
{
       public static void main(String [] args)
       {   
              Class_Name object = new Class_Name();

              System.out.print(object.add());
       }
}

Output