- Day01: HelloWorld
- Day02: Covert Temperature
- Day03: Math
- Day04: Character
- Day05: String
- Day06: IF...Else
- Day07: Switch
- Day08: While
- Day09: Palindrome
- Day10: GuessNumber
- Day11: Function
- Day12: Private , Public , Protected
- Day13: Array
- Day14: Object and Class
- Day15: Extend
- Day16: Overloading
- Day17: Abstract
- Day18: Interface & Implement
- Day19: Exception Handling
- Day20: Read File
- Day21: Write File
- Day22: Regex
- Day23: Special Data Structure
- Day24: Stream
- Day25: Threads
- Day26: Lambda
- Day27: Socket
- Day28: Generic 泛型
- Day29: JDBC
- Day30: JSP