LAB: Count characters $-$ methodsWrite a program whose input is a character and a string, and whose output indicates the number of times the character appears in the string. The output should include the input character and use the plural form, n$\text{'}$s$,$ if the number of times the characters appears is not exactly $1.$Ex: If the input is:n Mondaythe output is:$1$ nEx: If the input is:z Today is Mondaythe output is:$0$ z'sEx: If the input is:n It's a sunny daythe output is:$2$ n'sCase matters. n is different than N$.$Ex: If the input is:n Nobodythe output is:$0$ n'sThe program must define and call the following method that takes the input string and character as parameters, and returns the number of times the input character appears in the input string.public static int calcNumCharacters$($String userString, char userChar$)$