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Highbridge Capital Interview Question for Java Developers


Team: Risk Metrics
Country: United States
Interview Type: Phone Interview
More Questions from This Interview



Comment hidden because of low score. Click to expand.
4
of 4 vote

When u should n't use FINAL
Variable:When you know u r gonna change the value of the variable.
Method:If you wanna override the method in child class dnt use FINAL.
Class:If want to inherit the class dnt use FINAL

- sarthakiter July 26, 2012 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 votes

"Class:If want to inherit the class dnt use FINAL"
What if you were inheriting a class that had a variable that wouldn't change for all child classes?
Example: Course Class.
There can be many different courses, but each course MUST have an enrollment maximum of 20. This could be a static final variable, right?

- Adam August 20, 2012 | Flag
Comment hidden because of low score. Click to expand.
3
of 3 vote

final cannot be used for
1. methods inside interface (by default all the methods are public abstract)
2. abstract class
3. abstract methods
Reason : abstract means the class/method need to be extended/overridden. Which is opposite of final. Hence compiler will throw exception

- pratap.raavi July 27, 2012 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

#include<stdio.h>

void main()
{
int a=10,b=2;

b=a+(++a);
printf("%d",b);

}


wht wll be the output this ques??

- Anonymous July 27, 2012 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 votes

The output will be compiler dependent.. The value of a is ambiguous

- uma trika August 02, 2012 | Flag
Comment hidden because of low score. Click to expand.
0
of 0 vote

22

- suhas meena July 31, 2012 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

why we should not use final keyword....??
General:when we dont want to override the class member
for class:when we dont want to create a sub class for a class or to inherit
for method:when we dont want to define the method in the sub class
for field:when we dont want the field to be define the field in the sub class

- Anonymous September 01, 2012 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

Final :
Avoid using when you class is opening for inheritance. It can not use in interface n abstruct method.

With in class you should be not if member variable is changing values during processing and it can be reassigned.

- http://javadecodedquestions.blogspot.sg/2012/03/java-interview-with-investment-bank-4.html February 20, 2013 | Flag Reply


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