Question 1: a. Write a parent abstract class "MxDictionary" in java with the following abstract methods: [3 Marks] Int countCharacters(File), to count total characters of the given text file excluding spaces and display it. [4 Marks] b. Int countWords(File), to count words of the given text file and display it. [3 Marks] Int countVowels(File), to count words of the given text file and display it. [4 Marks] d. Boolean searchWord(File, String), takes a word as a string and searches that word in the given text file, if found returns true else returns false. [4 Marks] File gpenMyFile(String) used to open the given text file and returns it as a reference object. Also handle necessary exceptions to eliminate execution inconsistencies. [2 Marks] f. Void closeFile(File) used to close the file. [2 Marks] c. e. Now, write a child class "TestDictionary" and inherit MxDictionary class to provide implementation to all above methods. Also write a main method in the child class to test all methods of the child class. [3 Marks)