• If Statements
• If else statement
• If else ladder statement
• Nested if statement
• Switch statement
• While loop
• Do while loop
• For loop
• For each loop
• Break statement
• Continue statement
• Return statement

• What is a Function/Method?

• Syntax of a Method in Java

• Method Declaration vs Method Definition

• Types of Methods (Predefined vs User-defined)

• What is Recursion?

• Recursive Method Examples (e.g., Factorial, Fibonacci)

• Base Case & Stack Overflow

• Syntax of Varargs

• When to Use Varargs

• Introduction to Functional Programming

• Syntax of Lambda Expressions

• Using Lambdas with Functional Interfaces

• What is Method Overloading?

• Rules of Overloading

• Examples with Varying Parameters

• Introduction to Arrays
• Declaring Arrays
• Initialization of array
• Types of Arrays
• Single dimension arrays
• Multi dimension arrays
• Anonymous arrays
• Introduction to Strings
• Possible ways to create a string object
• In built functions in String class
• String Buffer class
• String Builder class
• String Tokenization

Diff b/w String, StringBuffer, StringBuilder     

• 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
• Downcasting with instanceof operator
• Encapsulation
• Object class
• Object Cloning
• Java Array
• Call By Value and Call By Reference
• strictfp keyword

• Introduction
• Pre-Defined Exceptions
• Try-Catch-Finally
• Throws, throw
• Checked & Unchecked exceptions
• User Defined Exception examples

• Introduction to all predefined packages
• User Defined Packages
• Access Specifiers:
• Introduction
• Thread Creations
• Thread Life Cycle
• Life Cycle Methods
• Synchronization
• Wait() notify() notify all() methods
• Dead locks
• Daemon threads
• Runnable interface

• Introduction
• Byte-oriented streams
• Character – oriented streams
• File
• Printwriter
• FileWriter & FileReader
• Random-access file
• Serialization

• Nested Class: What and Why?
• Member Inner class
• Anonymous Inner class
• Local Inner class
• static nested class
• Nested Interface

• Synchronization: What and Why?
• synchronized method
• synchronized block
• static synchronization
• Deadlock
• Inter-thread Communication
• Interrupting Thread

• Serialization & Deserialization
• Serialization with IS-A and Has-A
• transient keyword

• Intyroduction to Collection Framework
• Diff b/w Array and Collection
• Collection Interface
• List Interface
• ArrayList class
• LinkedList class
• Vector class
• Stack class
• Enumeration
• Iterator
• ListIterator interface
• Set interface
• HashSet class
• LinkedHashSet class
• SortedSet Interface
• Navigable Interface
• TreeSet class
• PriorityQueue class
• ArrayDeque class
• Map interface
• HashMap class
• Weak hashmap
• Identity Hashmap
• LinkedHashMap class
• TreeMap class
• Hashtable class
• Comparable and Comparator
• Properties class
• Collections class
• Arrays class

• Introduction to generics
• Generic classes
• Bounded Types
• Generic methods

• Reflection API
• newInstance() & Determining the class object
• javap tool
• creating javap tool
• creating appletviewer
• Accessing private method from outside the class

• Internationalization
• ResourceBundle class
• I18N with Date
• I18N with Time
• I18N with Number

I18N with Currency

• Socket Programming
• URL class
• Displaying data of a web page
• InetAddress class
• DatagramSocket and DatagramPacket

Two way communication

• Introduction
• Pattern class
• Matcher class
• Character classes
• Predefined Character classes
• Quantifiers

• Introduction to Annotations
• Built-In Java Annotations
• Java Custom Annotation
• Types of Annotation

• For-each loop
• Varargs
• Static Import
• Autoboxing and Unboxing
• Enum
• Covariant Return Type
• Annotation
• Generics
• Instrumentation (premain method)
• String in switch statement
• Binary Literals
• The try-with-resources
• Caching Multiple Exceptions by single catch
• Underscores in Numeric Literals
• Java 8 Date/Time API
• Lambda Expressions
• Method References
• Functional Interfaces
• Stream
• Base64 Encode Decode
• Default Methods
• forEach method
• Collectors
• StringJoiner
• Optional class
• Nashorn JavaScript
• Parallel Array Sorting
• Type Inference
• Method Parameter Reflection
• Type annotations and repeating annotations
• Java JDBC Improvements
• Java IO Improvement
• Java Concurrency Improvement
• JShell
• JPMS (Java Platform Module System)
• JLink (Java Linker)
• Http/2 client
• Process API updates
• Private Methods Inside Interface
• Try with resources enhancements
• Factory Methods to create unmodifiable collections
  1. Factory Methods to create Immutable List
  2. Factory Methods to create Immutable Set
  3. Factory Methods to create Immutable Map
• Stream API enhancements
• Diamond operator enhancement
• SafeVarargs Annotation
• G1 GC (Garbage first Garbage collector) – default garbage collector
• Anonymous Inner classes and Diamond Operator
• Java 9 Modules