This PR addresses the feedback that the expression-bodied members documentation needed more examples showing parameter usage. Previously, only the constructor and indexer sections demonstrated expression-bodied members with parameters.

Changes Made

Methods Section

Added four new method examples to the Person class demonstrating various parameter patterns:

// String parameter usage
public string GetFullName(string title) => $"{title} {fname} {lname}";

// Integer parameter usage  
public int CalculateAge(int birthYear) => DateTime.Now.Year - birthYear;

// Parameter in conditional expression
public bool IsOlderThan(int age) => CalculateAge(1990) > age;

// Parameter transformation
public string FormatName(string format) => format.Replace("{first}", fname).Replace("{last}", lname);

Constructors Section

Added a new Point class with multiple constructor parameter examples:

// Constructor with multiple parameters using tuple assignment
public Point(double x, double y) => (X, Y) = (x, y);

// Constructor with single parameter
public Point(double coordinate) => (X, Y) = (coordinate, 0);

Documentation Updates

• Updated the Methods section description to emphasize the new parameter examples
• Updated the Constructors section description to highlight multiple parameter usage
• Enhanced explanatory text to better guide readers through parameter patterns

Validation

• ✅ All code examples build successfully
• ✅ Examples run correctly and produce expected output
• ✅ Markdown linting passes with no errors
• ✅ Demonstrates practical, real-world parameter usage patterns

Before: Limited parameter examples (constructor only)
After: Comprehensive parameter examples across methods and constructors

Fixes #11790.

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