Difference between concurrent hashmap and hashtable and collections

1139

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Why java is considered dynamic?

1225

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

1066

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Why is stringbuffer called mutable?

1047

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Define packages in java?

1059

---

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

1020

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Give some features of interface?

1140

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

1047

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When super keyword is used?

1065

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What do you mean by multithreaded program?

1067

---

What is finalize method?

1204

---

What is the default value of byte datatype in java?

979

---

Explain garbage collection in java?

1040

---

Define jit compiler?

1214

---

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

1225

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