Which package is always imported by default?

0 Answers  

---

What is the basic functionality of DataOutput interface in java?

2 Answers   TCS,

---

What is the difference between an inner class and a sub-class?

0 Answers  

---

What is collection sort in java?

0 Answers  

---

java Api provided try catch finally ,try catch(its ok) but why try finally and exception occured at try then how the flow is?

1 Answers   Naaptol,

---

Is string a class?

0 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,

---

What is substring 1 in java?

0 Answers  

---

Is static variable stored in heap?

0 Answers  

---

What are void pointers?

1 Answers  

---

Is a case study a method or methodology?

0 Answers  

---

What is constructor and virtual function? Can we call a virtual function in a constructor?

0 Answers  

---