What is thread safety? How do you achieve it?

970

---

What is thread safety?

978

---

How to traverse data in a linked list in forward and backward direction, write the algorithm?

929

---

Explain the internal working of a hash map?

982

---

Can the double-checked locking fail on a single processor system?

1030

---

What is a concurrenthashmap?

1039

---

What is an externalizable interface?

985

---

Explain the difference between hashset and hashmap?

1107

---

Explain the priority queue?

977

---

Explain about map and their types?

1023

---

What is meant by ordered and sorted in collections?

906

---

Explain about set and their types in a collection?

867

---

What are all the classes and interfaces that are available in the collections?

862

---

Difference between hashset and treeset?

1058

---

Explain about the different lists available in the collection?

884

---