Complete the coding for the following JAVA methods.

public class SomePracticeMethods t /returns true if c is a Roman numeral or false otherwise / public static boolean isRomanNumeral(char c) f return true; /* returns true if s consists only of letters that are also Roman numerals / public static boolean allRomanNumerals (String s) return true; /returns the number of letters in s that are k also Roman numerals / public static int numRomans (String s) t return 0; /returns true if s1 and s2 contain the same number of Roman numerals / public static boolean sameNumberOfRomans (String s1, String s2) t return true; /* returns s repeated numTimes number of times. For example, if s is "banana" and numTimes is 3, the method returns the String "bananabananabanana" if numTimes