What is yielding and sleeping? how they different?

2 Answers  

---

What is contract between hashcode and equal method?

0 Answers  

---

why the primitive data type have classes?

4 Answers  

---

In the first round, there are 30 aptitude and 30 java questions. We are suppose to finish both the papers within 60 minutes. I cleared this round. Next was test for programming skills. In this section, Some 7 n's were asked. 1. What is the difference b/w sleep(1000) and wait(1000) 2. what is the diff b/w static block and static function? 3. Write a program to validate IP address using string tokenizer. 4. Write a program to create singleton class 5. write a function to reverse the string 6. Write a prog to print prime nos upto n. EX: If n=9, It shld print 1,2,3,5,7 7. One program on collections- Write a program to print no. of times a number is repeating in an array. EX- {1,3,1,2,5,7,3,7,34,3,8,3} It should print: 1- 2 times 3- 4 times and so on 7. Write a func to print fibonocci series After this I had technical interview, which went on for. 60 mins or so. There were qn's about multi threading, Exception handling and collection classes. Knowledge about collections was very important for the post I was interviewed for.

1 Answers   Huawei,

---

Difference between this() and super() in java ?

0 Answers  

---

---

Explain the difference between a Thread and a Process.

0 Answers   Ciena,

---

Explain about anonymous inner classes ?

0 Answers  

---

How can u increase the heap size in the memory?

0 Answers   Infosys,

---

What is namespace in java?

0 Answers  

---

Why do we need strings in java?

0 Answers  

---

What is difference in between java class and bean?

0 Answers  

---

Which of the following can be referenced by a variable? A. The instance variables of a class only B. The methods of a class only C. The instance variables and methods of a class

2 Answers  

---