Why there are some null interface in java? What does it mean?
- 0 Answers
- 632 Views
- I also Faced
- E-Mail Answers
No Answer is Posted For this Question
Be the First to Post Answer
What is bytecode in java ?
How will you call an Applet using Java Script Function?
What is map in java?
What is exception in java?
What are static methods?
What does the “static” keyword mean? Can you override private or static method in java?
hi to all. well can you please tell me that why String class is immutable? Thanks in advance.
What exactly is a .class file?
Why bytecode is called bytecode?
What is sizeof in java?
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.
Why declare Main() method as a static in java ?
Core Java 
