Explain the features of interfaces in java?

929

---

What’s the difference between callable and runnable?

1028

---

Is ++ operator thread-safe in java?

1115

---

What is the size of int in 64-bit jvm?

1017

---

What is polymorphism and what are the types of it?

945

---

What is broken and continue statement?

947

---

Define an enumeration?

983

---

What is a finally block? Is there a case when finally will not execute?

997

---

Is it possible to use string in the switch case?

996

---

Compare overloading and overriding?

961

---

What is the difference between import java.util.date and java .util?

1005

---

how to create constants in java?

1039

---

How to change the priority of thread or how to set the priority of thread?

993

---

Garbage collection in java?

960

---

How do you test a method for an exception using junit?

1137

---