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[20 points] Write a Java program named SSNCheck that prompts the user to enter a Social Security Number in the format DDD-DD-DDDD where D is a digit. Your program should check whether the input is valid. Here are some sample runs: 4. Enter a SSN: 232-23-5435 232-23-5435 is a valid social security number Enter a SSN: 23-23-5435 23-23-5435 is an invalid social security number Here are some tips: Input the SSN as a string Use the Character class methods and char methods to check character positions that should be digits and those that should be a "-" Make sure the overall length is valid