Function Composition and method References

In this problem, you will create a program that chains three static method references (trim, toUpperCase, addBrackets) of type Function<String, String> using andThen() to build a string processing pipeline and displays the result to standard output.

Learning Objective: Understand function composition with Function.andThen() and method references

Overview

Build a string processing pipeline by composing multiple Functions.

Specifications

• Create StringProcessor class with these static methods:
  • trim(String s): removes leading/trailing whitespace
  • toUpperCase(String s): converts to uppercase
  • addBrackets(String s): surrounds with "[" and "]"
• In main, compose three Functions using andThen()
• Process " hello " and output the result

Output Format

Processed: [HELLO]