Mismatched parenthesis in Java code example

fixed parenthesis mismatch in java code example

Motivation and Context

Code example doesn't compile

How Has This Been Tested?

Compiled in local IDE

Breaking Changes

no

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update

Checklist

• I have read the MCP Documentation
• My code follows the repository's style guidelines
• [] New and existing tests pass locally
• [] I have added appropriate error handling
• I have added or updated documentation as needed

Additional context