Answer Posted / royal

This is the design pattern of Distrubuted applications.

Problem:
==========
If Remote client want to communicate with multiple bussiness
Components then it has to use multiple network and remote calls to interact with these multiple bussines components
that means more N/w calls will be there bwtween client
and B.componets.

Solution:
===============
So to avoide this problem we have to go for Session facade
Design Pattern.
Session facade is a dummy Business Object resides at
server side recieve calls from Client and to pass the
Bussiness componets of served side locally.

You're given a Boolean 2D matrix, can you find the number of islands?

1150

---

Explain wait() method of object class ?

1291

---

Is empty list java?

975

---

Can you write a java class that could be used both as an applet as well as an application?

1004

---

What’s the difference between the methods sleep() and wait()?

1067

---

What are the main differences between notify and notifyAll in Java?

1146

---

What does g mean in regex?

1034

---

What are voids?

1019

---

What are the methods of object class ?

1100

---

What class allows you to read objects directly from a stream?

1382

---

Explain the difference between jvm and jre?

1076

---

Are floats faster than doubles?

1143

---

Can we use String with switch case?

1250

---

What are the special characters?

1017

---

What is treeset in java?

1040

---