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Java

194Anatomy of a Method: Signature Components
195Return Types: void vs Value-Returning Methods
196The return Statement: Early Exit and Value Propagation
197Method Parameters: Formal vs Actual Parameters
198Pass-by-Value Semantics in Java
199Multiple Parameters and Parameter Order
200Primitive Parameters: Immutability in Method Calls
201Reference Parameters: Mutable Object State
202Return Type Compatibility and Casting
203Returning Objects and null
204Method Naming Conventions: Verbs and Clarity
205Static vs Instance Methods: When to Use this
206What Is a Method Signature?
207Method Overloading Fundamentals
208Overloading by Parameter Count
209Overloading by Parameter Type
210Overloading by Parameter Order
211Return Type Does Not Affect Overloading
212The Most Specific Method Rule
213Overloading with Primitive Widening
214Overloading with Autoboxing and Varargs
215Common Overloading Pitfalls and Ambiguity
216Introduction to Varargs Syntax
217Varargs as Arrays
218Calling Methods with Varargs
219Varargs Must Be the Last Parameter
220Method Overloading with Varargs
221Empty Varargs and Null Handling
222Varargs vs Array Parameters
223Generic Varargs and Heap Pollution
224What is Recursion? A Method Calling Itself
225The Base Case: Preventing Infinite Recursion
226The Recursive Case: Breaking Down the Problem
227Example: Computing Factorial Recursively
228Tracing Recursive Execution: The Call Stack
229Example: Fibonacci Numbers Using Recursion
230Stack Overflow Error: When Recursion Goes Too Deep
231Tail Recursion: Optimizable Recursive Calls
232Converting Recursion to Iteration
233When to Use Recursion: Tree Traversal and Divide-and-Conquer

Java

194Anatomy of a Method: Signature Components
195Return Types: void vs Value-Returning Methods
196The return Statement: Early Exit and Value Propagation
197Method Parameters: Formal vs Actual Parameters
198Pass-by-Value Semantics in Java
199Multiple Parameters and Parameter Order
200Primitive Parameters: Immutability in Method Calls
201Reference Parameters: Mutable Object State
202Return Type Compatibility and Casting
203Returning Objects and null
204Method Naming Conventions: Verbs and Clarity
205Static vs Instance Methods: When to Use this
206What Is a Method Signature?
207Method Overloading Fundamentals
208Overloading by Parameter Count
209Overloading by Parameter Type
210Overloading by Parameter Order
211Return Type Does Not Affect Overloading
212The Most Specific Method Rule
213Overloading with Primitive Widening
214Overloading with Autoboxing and Varargs
215Common Overloading Pitfalls and Ambiguity
216Introduction to Varargs Syntax
217Varargs as Arrays
218Calling Methods with Varargs
219Varargs Must Be the Last Parameter
220Method Overloading with Varargs
221Empty Varargs and Null Handling
222Varargs vs Array Parameters
223Generic Varargs and Heap Pollution
224What is Recursion? A Method Calling Itself
225The Base Case: Preventing Infinite Recursion
226The Recursive Case: Breaking Down the Problem
227Example: Computing Factorial Recursively
228Tracing Recursive Execution: The Call Stack
229Example: Fibonacci Numbers Using Recursion
230Stack Overflow Error: When Recursion Goes Too Deep
231Tail Recursion: Optimizable Recursive Calls
232Converting Recursion to Iteration
233When to Use Recursion: Tree Traversal and Divide-and-Conquer

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Lesson 202 of 2,870·5. Methods and Function CallsPro lesson

Return Type Compatibility and Casting

Learn type rules for return values and when implicit or explicit casting is required.

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