Why is an interface be able to extend more than one interface but a class can’t extend more than one class?

1164

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Which non-unicode letter characters may be used as the first character of an identifier?

1007

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Why does java not support operator overloading?

1135

---

I want to print “hello” even before main is executed. How will you acheive that?

1081

---

What is an abstract class and what is it’s purpose?

957

---

Class c implements interface I containing method m1 and m2 declarations. Class c has provided implementation for method m2. Can I create an object of class c?

1612

---

Can an interface be final?

1026

---

What is use of a abstract variable?

986

---

Can a class be declared as static?

1167

---

What is the difference between an if statement and a switch statement?

1159

---

Can we define private and protected modifiers for variables in interfaces?

1077

---

What is a pointer and does java support pointers?

1005

---

Why is the main method declared static?

1129

---

I don’t want my class to be inherited by any other class. What should I do?

1013

---

Can an interface implement another interface?

1028

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