Difference between concurrent hashmap and hashtable and collections

1069

---

Why java is considered dynamic?

1177

---

List some java keywords sun like c, c + + keywords?

1004

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Why is stringbuffer called mutable?

996

---

Define packages in java?

1003

---

List the three steps for creating an object for a class?

971

---

Give some features of interface?

1067

---

What is the default value of float and double datatype in java?

1015

---

When super keyword is used?

1010

---

What do you mean by multithreaded program?

1012

---

What is finalize method?

1124

---

What is the default value of byte datatype in java?

936

---

Explain garbage collection in java?

984

---

Define jit compiler?

1140

---

What is java virtual machine and how it is considered in context of java’s platform independent feature?

1173

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