Sapient Global Markets important topics in Java

Polymorphism - overloading vs override, specifications for override, etc.

Inheritance - Abstract Classes, Interfaces, Casting classes, etc.

Generics - Upper bound, lower bound etc.

Multi-threading and Concurrency (must have) - wait() sleep() notify(), creating threads, Executors, volatile, Atomic package, Java Memory Model, Producer Consumer Problem, etc.

Collections (must have) - ArrayList, Vector, HashMap, ConcurrentHashMap, HashSet etc.

Creational Design Patterns - singleton, factory method, abstract factory etc.

Behavioral Design Patterns

Hands on Skills for coding exercise

Basic knowledge of DB concepts: table joins, indexes, etc.

Performance tuning of SQL queries

Unit Testing

Blackbox and Whitebox Testing

Automation Testing

System and Integration Testing

Agile Methodology

Test Driven Development

DevOps: Docker, Jenkins and CI/CD