BlackRock Interview Question

1- difference between angular JS and Ext JS 2- Use Strict - Function level and Class Level 3-Reference types in java 4-Library database model and some SQL based on that 5- Merging of two sorted arrays 6-Livelock and deadlock in java and how to prevent it 7- LRU cache impl in java 8-partion of an array based on given number of partitions ........