using the programming lanuage java solve the following tasks Task $1)$ Create a method named "CountUniqueChars" that accepts a string as input and returns the number of unique characters present in the string $($excluding spaces and please ignore case sensitivity$).$ In the main function, test your method using your name $($i$.$e$.$ "Mustafa Ocal" $-->9$ unique characters$).$

Task $2)$ Create an array to store your favorite movies. Design a method that accepts a movie title as input and checks if it exists in the array. If found, the method should return the movie's position $($index$)$ within the array. Test your method in the main function using one of your favorite movies.

Task $3)$ Create a method that accepts an integer as input. The method should return true if the input integer is a prime number and false otherwise. In the main method, conduct testing of this method using your Panther ID$.$

Task $4)$ Write a method that accepts a string as input and returns the number of vowels $($a$,$ e$,$ i$,$ o$,$ u$)$ present in the string. In the main method, declare a String variable and initialize it with the name of our class. Subsequently, perform testing of the created method using this String.