Don’t just read the PDF. Watch the corresponding YouTube videos on the Durga Software Solutions channel. The notes are essentially a transcript of his high-energy lectures.
| Feature | throw | throws | | :--- | :--- | :--- | | | To explicitly throw an exception. | To delegate exception handling to caller. | | Position | Inside method body. | Method signature. | | Instance | Requires an instance of Throwable . | Requires class names of Throwable . | core java complete notes by durga sir
| Module | Topics Covered | Distinguishing Feature | | :--- | :--- | :--- | | | Tokens, Data Types, Literals, Arrays, Var-arg methods, main() method explanation. | Deep dive into static blocks and main method overloading/inheritance. | | OOP | Coupling, Cohesion, extends , implements , IS-A vs HAS-A, Polymorphism (Overloading vs Overriding), final keyword. | Strict rules for method overriding (covariant returns, exceptions). | | Exception Handling | Try-catch-finally, throw vs throws , Custom exceptions, Error vs Exception. | Flow diagrams for exception propagation. | | Multithreading | Thread states, synchronized keyword, Inter-thread communication ( wait() , notify() ), Deadlock, Lock framework (basic). | Explanation of Race Condition with visual memory models. | | I/O Streams | File , FileInputStream , Serialization/Deserialization, transient keyword. | Serialization quirks (static variables, parent class constructors). | | Collections | List , Set , Map (HashMap vs Hashtable), Queue , Sorting ( Comparable vs Comparator ), Utility classes ( Collections , Arrays ). | Detailed internal implementation of HashMap (Load factor, Threshold). | | Java 8 Features | Lambda expressions, Stream API, Default methods, Method references. | Practical mapping of functional interfaces. | Don’t just read the PDF