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

1205

---

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

990

---

What are the different ways of creating thread?

1061

---

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

1205

---

What is the use of volatile in java?

1116

---

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

1039

---

What are the steps in the jdbc connection?

1083

---

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

1055

---

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

1034

---

What is the difference between preparedstatement and statement in java?

1243

---

What is the difference between synchronized and synchronized block?

1110

---

What is the use of join method?

1091

---

What do you understand by weak reference?

1068

---

what is the purpose of the runtime class?

1110

---

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

987

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