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(a) Write an unchecked exception class WeirdInputException. The class has two public constructors: one that does not take any parameters, and one that takes a parameter of type String. Both constructors are supposed to call the respective corresponding superclass constructor for their parameters. (b) Write a static Java method without any parameters that reads a series of numbers of type int from the keyboard. - Before each input, the method prints a message to ask the user for a number. - If an input is not an int number, the method throws a WeirdinputException. - If the user enters 0 , the method finishes. - Otherwise: - if the current number is the same as the previous number, "Same" is printed; - if the current number is greater than the previous one, "Up" is printed; - if the current number is less than the previous one, "Down" is printed. - The method makes no response at all to the very first number. For example, the output for the inputs 9,8,8,5,10,10,0 would be Down, Same, Down, Up, Same (comparing, in turn, 9 and 8, 8 and 8,8 and 5, 5 and 10, 10 and 10 ). The dialogue with the user would look as follows: Enter the next number ( 0 to finish): 9 Enter the next number ( 0 to finish): 8 Down Enter the next number ( 0 to finish): 8 Same Enter the next number ( 0 to finish): 5 Down Enter the next number ( 0 to finish): 10 Up Enter the next number ( 0 to finish): 10 Same Enter the next number ( 0 to finish): 0