Draft: Update 2 files

Draft PR

Summary by Bito

• 1-New file: AirlineProblem.java - implements airline miles redemption using graph traversal with depth-first search algorithm
• 2-Multiple syntax errors detected: missing semicolons (lines 10, 11, 28, 85, 94), incorrect type 'Strings[]' instead of 'String[]' (line 15), and malformed conditional 'scannerToReadAirlines ! 0' (line 24)
• 3-Logic error in line 46-47: misplaced semicolon after if statement causes else block to always execute regardless of condition
• 4-New file: BinaryConverter.java - converts decimal numbers to binary representation with validation
• 5-BinaryConverter contains critical bugs: division operator '///' instead of '/=' (line 158), incorrect assignment 'base10Num += result' (line 162), and bitwise OR '|' instead of logical OR '||' (line 182)
• 6-New file: FreqTableExampleOriginal.java - file I/O operations for frequency table processing (partial view)
• 7-Airline class implements inner static class with ArrayList-based partner network management and recursive path-finding
• 8-Code uses assertions for precondition validation and includes comprehensive error handling for file I/O operations