Answer / Vivek Arya

Predefined functions, also known as built-in or library functions, are the functions that come with a programming language and can be used without having to define them. In Java, these functions belong to various classes such as Math, String, etc.

What is Major and importance difference between for and foreach loop ?

1 Answers   Infosys,

---

What if I write static public void instead of public static void in java?

1 Answers   Winsol Solutions,

---

Explain about instanceof operator in java?

1 Answers  

---

where is .equals() method and how is it different from == operation <giving some confusing implementation> Is hashing related to these?

4 Answers   iFlex,

---

what is multi-tasking

3 Answers   Anand Group, Photon Infotech, Tech Mahindra,

---

Difference between linkedlist and arraylist.

1 Answers  

---

Does java support multi dimensional arrays ?

6 Answers  

---

What is nested loop? What is dangling else condition in it?

1 Answers   Ericsson,

---

What is java lang object?

1 Answers  

---

What is %d in printf?

1 Answers  

---

Does set allows null in java?

1 Answers  

---

is this possible to create an array of 0 length? if so how? if not so why? coz we have an array in main() likw this "static void main(String [] s) then what it signifies?

3 Answers   Hexaware, TCS,

---