What is the difference between adapter and facade?

1151

---

Write the code for a singleton class?

1008

---

Why have we used synchronized here?

977

---

Give me example of chain of responsibility design pattern?

1003

---

Are you using singleton in your code?

1098

---

What is the difference between proxy and adapter?

1055

---

What is the use of such a class?

1220

---

Can we have this pattern implemented using static class?

1030

---

What is the difference between factory and abstract factory design pattern?

952

---

Why have we declared the instance reference volatile?

942

---

How many methods do u implement if implement the serializable interface?

901

---

What does the “abstract” keyword mean in front of a method? A class?

929

---

How many methods are there in the externalizable interface?

963

---

What interface must an object implement before it can be written to a stream as an object?

1018

---

What does it mean that a method or class is abstract?

904

---