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1. Basics of Java
 Java - What, Where and Why?
 History and Features of Java
 Internals of Java Program
 Difference between JDK,JRE and JVM
 Internal Details of JVM
 Variable and Data Type
 Unicode System
 Naming Convention
OOPS Concepts
 Advantage of OOPs
 Object and Class
 Method Overloading
 Constructor
 static variable, method and block
 this keyword
 Inheritance (IS-A)
 Aggregation and Composition(HAS-A)
 Method Overriding
 Covariant Return Type
 super keyword
 Instance Initializer block
 final keyword
 Runtime Polymorphism
 static and Dynamic binding
 Abstract class and Interface
 Down casting with instanceof operator
 Package and Access Modifiers
 Encapsulation
 Object class
 Object Cloning
 Java Array

2.  Call By Value and Call By Reference
 strictfp keyword
 Creating API Document
String
 String : What and Why?
 Immutable String
 String Comparison
 String Concatenation
 Substring
 Methods of String class
 StringBuffer class
 StringBuilder class
 Creating Immutable class
 toString method
 StringTokenizer class
Exception Handling
 Exception Handling : What and Why?
 try and catch block
 Multiple catch block
 Nested try finally block
 throw keyword
 Exception Propagation
 throws keyword
 Exception Handling with Method Overriding
 Custom Exception
Nested Classes
 Nested Class : What and Why?
 Member Inner class
 Anonymous Inner class
 Local Inner class
 static nested class
 Nested Interface
Multithreading
 What and Why?
 Life Cycle of a Thread
 Creating Thread, Thread Scheduler
 Sleeping a thread, Joining a thread
 Thread Priority, Daemon Thread
 Thread Pooling, Thread Group
 Shutdown Hook, Runable Interface

3.  Performing multiple task by multiple thread
 Garbage Collection
Synchronization
 What and Why?
 synchronized method
 synchronized block
 static synchronization
 Deadlock
 Inter-thread Communication
 Interrupting Thread
Input and output
 FileOutputStream & FileInputStream
 ByteArrayOutputStream
 SequenceInputStream
 BufferedOutputStream & BufferedInputStream
 FileWriter & FileReader
 CharArrayWriter
 Input from keyboard by InputStreamReader
 Input from keyboard by Console
 Input from keyboard by Scanner
 PrintStream class
 PrintWriter class
 Compressing and Uncompressing File
 Reading and Writing data simultaneously
 DataInputStream and DataOutputStream
 StreamTokenizer class
Serialization
 Serialization & De-serialization
 Serialization with IS-A and Has-A
 transient keyword
Network programming
 Socket Programming
 URL class
 Displaying data of a web page
 InetAddress class
 DatagramSocket and DatagramPacket
 Two way communication
Reflection API
 newInstance() & Determining the class object

4.  Accessing private method from outside the class
Collection Framework
 ArrayList class
 LinkedList class
 ListIterator interface
 HashSet class
 LinkedHashSet class
 TreeSet class
 PriorityQueue class
 ArrayDeque class
 Map interface
 HashMap class
 LinkedHashMap class
 TreeMap class
 Hashtable class
 Comparable and Comparator
 Properties class and
 Concurrent Collections
JDBC
 JDBC Drivers
 Steps to connect to the database
 Connectivity with Oracle
 Connectivity with MySQL
 Connectivity with Access without DSN
 DriverManager
 Connection interface
 Statement interface
 ResultSet interface
 PreparedStatement
 ResultSetMetaData
 DatabaseMetaData
 Storing image
 Retrieving image
 Storing file
 Retrieving file
 Stored procedures and functions
 Transaction Management
 Batch Processing
 JDBC New Features

5. Java New Features
 Assertion
 For-each loop
 Varargs
 Static Import
 Autoboxing and Unboxing
 Enum Type, Annotation
Java 8 New Features
Advance java with framework
 Servlet
 JSP
Spring
• Spring Introduction
• Spring IOC / DI
• Annotations in spring
• Spring AOP
• Spring MVC
 Spring Boot
• Introduction
• How Spring Boot works
• Developing web application using Spring Boot
• Spring Data JPA
• Exception handling at controller and application level
• Web-services
 SOAP and REST
• Spring Boot REST web-services
• Actuators
• Swagger UI
 Micro Services
• Monolithic Architecture
• SOA (Service Oriented Architecture)
• Micro-services Architecture
• Monolithic vs micro-services architecture
• Benefits of Microservices Architecture
• Micro-services tools
• API Gateway
 Zuul
• Service discovery
 Eureka
o Server and client
• Latency and fault tolerance

6.  Circuit Breaker Pattern
 Using Hystrix
• Logging and monitoring
 ELK Stack
▪ Elastic
▪ Logstash
▪ Kibana
• Service testing
 Postman (or SoapUI)
 Cloud Essentials (AWS)
o Fundamentals of cloud computing
• Cloud environment architecture
• Infrastructure and networking
• AWS introduction
 AWS account creation
o EC2 (Elastic Compute Cloud)
• Introduction
• Creating and connecting to EC2 instance
• Deploying a Spring Boot application on EC2
o Database Services
• Amazon RDS (Relational Database services)
▪ Launching RDS instance
 Amazon DMS (Data Migration service)
▪ Introduction
▪ Demo
o VPC (Virtual Private Cloud)
• Custom VPC creation
• VPC security
 Miscellaneous
• Programming best practices
• Interview tips
• Self-learning resources
• The way forward