What is the common usage of serialization? What exceptions occur during serialization?

1127

---

Which way a developer should use for creating thread, i.e. Sub classing thread or implementing runnable.

930

---

What are the different ways of creating thread?

1013

---

What will happen if non-synchronized method calls a static synchronized method and what kind of lock it acquires?

1112

---

What is the use of volatile in java?

1059

---

Mention the default values of all the elements of an array defined as an instance variable.

985

---

What are the steps in the jdbc connection?

1025

---

Why singleton pattern is better than creating singleton class with static instance?

1000

---

Write a code to create a trigger to call a stored procedure

979

---

What is the difference between preparedstatement and statement in java?

1166

---

What is the difference between synchronized and synchronized block?

1067

---

What is the use of join method?

1033

---

What do you understand by weak reference?

1012

---

what is the purpose of the runtime class?

1065

---

When should you use arraylist and when should you use linkedlist?

932

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