by java without comments please

Create four classes: Chapter, Book, library and Main with the following specification: Class Chapter: Constructor: It initializes the value of all attributes based on the corresponding input parameters. Getters and Setters for all attributes. Class Book: Constructor: It initializes the value of all attributes based on the corresponding input parameters, in addition, it instantiates the chapters Hashtable. Getters and Setters for all attributes. Class Library: Constructor: it initializes the value of all attributes based on the corresponding input parameters, in addition, it instantiates the list. Getters and Setters for all attributes