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Java: which class 1st loaded into memory Base class or Derived class?

+2 votes
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If we extends the one class then which class 1st loaded into memory Base class or Derived class?

posted Sep 25, 2014 by anonymous

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+2 votes

I was playing around some static inner class.

    package com.tutorial; 
    public class MyUpperClass {
        private MyUpperClass () {

        }
        private static class MyStaticInnerClass{
                    private static final MyUpperClass muc = new MyUpperClass ();
        }
        public static MyUpperClass getInstance() {
            return MyStaticInnerClass.muc;
        }
    }

Now, My question is, when does MystaticInnerClass get loaded into the JVM memory?
At the time of, when MyUpperClass get loaded or getInstance() get called?

+1 vote
using System;

namespace CareerRideTest
{    
  class A
  {    
    public A()
    {
      Console.WriteLine("I am in A");
    }
  }

  class B : A
  {
    public B()
    {
      Console.WriteLine("I am in B");
    }
  }

  class C : B
  {
    static C()
    {
      Console.WriteLine("I am in Static C");
    }
    public C()
    {
      Console.WriteLine("I am in C");
    }
  }    

  class MainClass
  {
    static void Main(string[] args)
    {
      C obj = new C();    
      Console.ReadKey();    
    }
  }    
}
+1 vote

How object class is inherited into all the Java class without having extends Keyword. I mean what is the logic for making a class to inherit to all the other classes.

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