Answer Posted / sk

there are four concepts of ooad in java they are........
1.Polymorphism:one name many forms.
ex:overloading(compile time polymorphism)
overiding(Run time polymorphism)
2.Abstraction:unclearness
ex:when ever we are invoking any method
what logic is performing we do not know but we are getting
the output
3.Inheritance:we are reuse the code by using the extends
keyword
4.Encpsulation:binding the variable and methods is known as
encapsulation

Does constructor be static?

1045

---

Explain about anonymous inner classes ?

1088

---

Which container method is used to cause a container to be laid out and redisplayed in java programming?

1112

---

Is main a keyword in java?

984

---

What is the effect of keeping a constructor private?

953

---

What is immutable in java?

1073

---

What are the files generated after using IDL to java compiler?

1155

---

Why can't we make a class private in java?

1045

---

What are 3 boolean operators?

1013

---

Explain methods specific to list interface?

990

---

If we allocate the memory using 'new' & de-allocated using 'free' then what will happen?

1049

---

how to create constants in java?

1091

---

What are different types of expressions?

1122

---

Explain about instanceof operator in java?

1061

---

How do you do descending order in java?

977

---