WHAT IS JDK,JVM,CLASS DEFINE ALL?
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Answer / vamsi
jdk:java devlopement Kit
jvm:java verchuval machine
class:class is model for creating objects,it is a physically
not exist in the world
| Is This Answer Correct ? | 4 Yes | 2 No |
Answer / ranjith
class is nothing but set of objects or blueprint of an object
| Is This Answer Correct ? | 2 Yes | 0 No |
Which java ide is used the most?
How do you use compareto?
These static constructors are correct ? class A { statc intA() { } static A(int x,int y) { } static A(int x) { } }
Considering notepad/ie or any other thing as process, what will happen if you start notepad or ie 3 times? Where 3 processes are started or 3 threads are started?
What is nested top-level class?
What is the difference between logical data independence and physical data independence?
How can I become a good programmer?
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.
What is the use of StringTokenizer class?
What are the different access modifiers available in java?
How do listeners work?
What is substring 1 in java?
Core Java 
