/**
 * Represents character strings. In addition for constructing and disposing
 * strings, the class features methods for getting and setting individual
 * characters of the string, for erasing the string's last character,
 * for appending a character to the string's end, and more typical
 * string-oriented operations.
 */

class String {
    
    /** constructs a new empty string with a maximum length of maxLength
     *  and initial length of 0. */
    constructor String new(int maxLength) {
    }

    /** Disposes this string. */
    method void dispose() {
    }

    /** Returns the current length of this string. */
    method int length() {
    }

    /** Returns the character at the j-th location of this string. */
    method char charAt(int j) {
    }

    /** Sets the character at the j-th location of this string to c. */
    method void setCharAt(int j, char c) {
    }

    /** Appends c to this string's end and returns this string. */
    method String appendChar(char c) {
    }

    /** Erases the last character from this string. */
    method void eraseLastChar() {
    }

    /** Returns the integer value of this string, 
     *  until a non-digit character is detected. */
    method int intValue() {
    }

    /** Sets this string to hold a representation of the given value. */
    method void setInt(int val) {
    }

    /** Returns the new line character. */
    function char newLine() {
    }

    /** Returns the backspace character. */
    function char backSpace() {
    }

    /** Returns the double quote (") character. */
    function char doubleQuote() {
    }
}
