Explain when we should make an instance variable private.

1140

---

What is finalize()?

1211

---

When should we create our own custom exception classes?

1035

---

Can we pass a primitive type by reference in java? How

949

---

When do I need to use reflection feature in java?

1094

---

Why does java have two ways to create child threads? Which way is better?

1070

---

Why does java have different data types for integers and floating-point values?

1028

---

What is byte code and why is it important to java’s use for internet programming?

1151

---

Is finalize() similar to a destructor?

1042

---

Explain the difference between protected and default access.

1016

---

Explain how to convert any java object into byte array.

988

---

What is finalize()? Is finalize() similar to a destructor?

982

---

Explain the use of shift operator in java. Can you give some examples?

991

---

What is difference between add() and addelement() in vector?

1546

---

Describe how to implement singleton design pattern in struts.

1020

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