What is downcasting?

1209

---

Is jdk required on each machine to run a java program?

1366

---

Which arithmetic operations can result in the throwing of an arithmeticexception?

1064

---

Why generics are used in java?

1101

---

Define how destructors are defined in java?

1077

---

Which number is denoted by leading zero in java?

1314

---

What is an enumeration?

1121

---

What is a layout manager and what are different types of layout managers available in java awt?

1308

---

What is an object’s lock and which object’s have locks?

1013

---

What will be the output of round(3.7) and ceil(3.7)?

1168

---

How do you decide when to use arraylist and linkedlist?

1049

---

Which object oriented concept is achieved by using overloading and overriding?

1190

---

What are the advantages of arraylist over arrays?

1150

---

Which class represents the socket that both the client and server use to communicate with each other?

1087

---

What is the difference between yielding and sleeping?

1180

---