Difference between concurrent hashmap and hashtable and collections

1031

---

Why java is considered dynamic?

1135

---

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

985

---

Why is stringbuffer called mutable?

960

---

Define packages in java?

972

---

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

936

---

Give some features of interface?

1038

---

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

982

---

When super keyword is used?

1000

---

What do you mean by multithreaded program?

985

---

What is finalize method?

1080

---

What is the default value of byte datatype in java?

911

---

Explain garbage collection in java?

946

---

Define jit compiler?

1104

---

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

1142

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