• Students
• Fresher's
• Working professionals 

• Java Language Fundamentals
  • Java language features
  • Overview of JDK, JRE and JVM
  • Data types and wrapper classes
  • Package, path and classpath
  • Arrays, Enum, jar file
• OOPs Concept
  • Class, reference, instance
  • Constructor chaining
  • Object class
  • Static initializer block
  • Association and inheritance
  • Polymorphism and dynamic method dispatch
  • Abstract class and Interface
• Exception Handling
  • Error and exception
  • Checked and unchecked Exception
  • Try-with-resource
  • Multi-catch block
  • Custom exception
  • Chained exceptions
• Functional Programming Fundamentals
  • Nested and local class
  • Anonymous inner class
  • Functional interface
  • Lambda expression
  • Method and constructor references
  • Constructor Reference
• Generics
  • Boxing/Auto-Boxing and Unboxing/Auto-Unboxing
  • Parameterized type
  • Bounded type parameter
  • Wild Card and its type
  • Generic method
• String Handling
  •  Overview of UNICODE
  • String, StringBuffer and StringBuilder
  • StringTokenizer
  • Regular expression
• Collection Framework
  • Comparable versus Comparator
  • List, ArrayList, Vector
  • Set, TreeSet
  • Hashing
  • HashSet, Hashtable and HashMap
  • Java 8 Streams
• Multithreading
  •  Advantages & issues of process & thread
  • Thread class and Runnable
  • Thread States, life cycle
  • Race condition, deadlock, monitor
  • Synchronization and Object class
• File IO 
  • Path basics
  • Text file and binary file processing
  • Serialization and deserialization
  • SerialVersionUID
• Reflection
  • Metadata and its application
  • java.lang.Class class
  • Overview of reflection classes and interfaces
  • Dynamic method invocation

• OOP concepts: Class, Object, overloading, constructor, inheritance and virtual function.

• SDK: Open JDK 1.8
• Editor: MS VS Code
• IDE: Eclipse

Rohan Parmane: Your dedication and passion for teaching truly shine through in every lesson. Your ability to engage students and make complex concepts understandable is impressive. The positive environment you create in the classroom fosters both learning and growth. Keep up the excellent work Your thoughtful approach and dedication are greatly appreciated by me.

Ketan Kore: I've had the pleasure of learning Core Java under the tutelage of Sir, and I must say that he's the best mentor I've had. Their thorough understanding of Java fundamentals, combined with their ability to present complex topics in a straight forward and understandable manner, has been quite helpful in my learning process.

Ketan Kore: Your explanations are always clear and well-structured, which helps grasp difficult concepts more easily.Nice teaching, best interaction with us, great at doubt solving.

Rohan Parmane: excellent I will miss Sunbeam Teaching. Sir taught us very well. we got so much knowledge about java in just a little time. sir explained each concept very easily and understandably. Thank you sir for your valuable guidance.