What is the difference between adapter and facade?

626

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Write the code for a singleton class?

618

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Why have we used synchronized here?

604

---

Give me example of chain of responsibility design pattern?

619

---

Are you using singleton in your code?

589

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What is the difference between proxy and adapter?

607

---

What is the use of such a class?

668

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Can we have this pattern implemented using static class?

571

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

573

---

Why have we declared the instance reference volatile?

537

---

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

534

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

515

---

How many methods are there in the externalizable interface?

552

---

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

607

---

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

511

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