How does hashmap work in java ?

1130

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What are the differences between string, stringbuffer and stringbuilder?

1104

---

What is an immutable object? How do you create one in java?

1115

---

How do you create immutable object in java?

1109

---

What are the uses of synchronized keyword?

1064

---

In java, what is the difference between method overloading and method overriding?

1181

---

What is the purpose of garbage collection in java?

1151

---

What kind of variables can a class consist?

1112

---

What are the differences between path and classpath variables?

1107

---

How do you differentiate abstract class from interface?

1024

---

Is it possible to override private or static method in java?

1050

---

What does the ‘static’ keyword mean? Is it possible to override private or static method in java?

1048

---

Difference between the transient, persistent and detached state in hibernate?

401

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What are the key components of a hibernate configuration object?

487

---

Name some of the important interfaces of hibernate framework?

399

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