Return Finally

public int foo(int x)
{
int i;
try
{
i=5;
return i;
}
finally
{
i=x;
}
}


What does foo() return?

Static Thread Safe

are static members thread safe? is there any exception to this rule?

Binary Tree Traversals

long time no post... Likely not an interview question, but it's a good exercise.

write a pre-order, in-order and post-order traversal of a binary tree.

(de)serialize a binary tree

write a method that will serialize and deserialize a binary tree

Memory Leak in Java

How can you create a memory leak in Java?

Random What?

for those who know perl:

srand;
rand($.) < line =" $_)">;
print $line;

explain what this does. explain why rand will give this task a uniform distribution.

Explain OO

Explain Object Oriented Programming to a non-technical person. Try and explain the basics as well as the more advanced topics. Include discussion on polymorphism, inheritence, design patterns, etc.

Most importantly explain the pros and cons of this programming model.

Measuring Search Quality

How would you measure the quality of a search engine?

Google PM Question