1. Apply online

2. Online code tests (great platform, by the way)

3. If the code test was successful: on-site interview

Java internals:

Can you use if (myClassList instanceof List<MyClass>)?

String.intern() method. String a = "foo"; String b = "food".substring(0,3); c = b.intern(); Will a == c?

Integer i = null; int j = i; What is the value of j?

What will the following code return?

java try { return true; } finally { return false; }

Check if a string can be encoded in a given format (UTF-8, ASCII, etc.).

String parsing with StringTokenizer.

Linear algorithm to find the common ancestor of two nodes in a directed graph. Given two nodes, an array of graph nodes, and an array of parents per node.

JavaScript regexps.