How does queue work in java?

0 Answers  

---

What is hasnext in java?

0 Answers  

---

What is numeric function?

0 Answers  

---

Can a class have more than one object?

0 Answers  

---

import java.io.*; class Demo { public static void main(String args[]) { File f=new File("1234.msg"); String arr[]=f.list(); System.out.println(arr.length); } }

3 Answers   IBM, Ramco,

---

What is void class in java?

0 Answers  

---

what is comparable and comparator interface?

0 Answers  

---

How does enum work in java?

0 Answers  

---

Is there a way to increase the size of an array after its declaration?

0 Answers  

---

why java does not support multiple inheritance

41 Answers   Diamond, Euclid, Evergent, KLKJ, Mind Tree, NIIT, SSI Small Scale Industries, Wipro,

---

Why ArrayList class is not a synchronized class and why it is not a thread safe class? explain

1 Answers  

---

How do you check if a number is a perfect square?

0 Answers  

---