All the Same Letter Write a method to determine if all the letters in a String are the same letter. public boolean sameLetter(String str) { //declare first character variable   //create statements to compare each character and include return statement               //create other return statement     }

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C-string

A string is a one-dimensional array of characters that can be terminated using a null character (‘\0’). The string or character array is used to manipulate the text such as words or sentences. The \0 (termination character) is the most important in the string as it is the only method to identify the end of the string. A string can be defined as a one-dimensional array of characters; whereas, an array of strings is a two-dimensional array of characters.