Answer Posted / srinu

dataabstraction:it is giving only important things hiding
unnecessary things

encapsulation : it is data hiding under wrapper class

inheritance :it is reusebility code
example : parent propert belongs to child

polymorpism: it is flexibility when output depends upon
no of input
in this we have overloading




overloading means it contains same data type and
different parameters

What is a nested class?

1174

---

How to implement a multithreaded applet?

2730

---

What do you mean by inner class in java? Explain

1120

---

Can we extend singleton class in java?

1014

---

What is stringreader?

1012

---

What do you understand by overloading and overriding in java?

1122

---

What is exception in java?

1161

---

What is an abstract class and what is it’s purpose?

1012

---

What is difference between final and finally in java?

1145

---

Define how objects are stored in java?

1117

---

why java uses class level type casting ?

2701

---

How many bits is a string?

1059

---

What is flush () in java?

1070

---

If you do not want your class to be inherited by any other class. What would you do?

1071

---

What are the differences between forwarding () method and sendredirect() methods?

1146

---