/* 9/9/2019
 Other data types: 
 boolean -- true or false
 char
 String -- NOT a PDT, rather a programmer defined data type which is part of 
 Java's API. (e.g. System, Math, String, Scanner)
 */

public class Chars {
  
  public static void main(String[] args) {
    // use boolean for flags
    boolean isOn=true;
    System.out.println("isOn="+isOn);
    char firstInitial;  // this declares a variable that can hold a single character
    firstInitial = 'A'; // use single quotes for character literal 
    // firstInitial = "A"; type mismatch since "A" is a String
    System.out.println("Your first initial is: " + firstInitial);
    firstInitial++;
    System.out.println("Your first initial is: " + firstInitial);
    firstInitial=7; // 7 is the UNICODE value for BELL
    //System.out.println("Your first initial is: " + firstInitial); // pgm should ding
    // suppose I want a variable to store a first name
    String firstName="Alice";
    // assign the first char in firstName to firstInitial
    firstInitial = firstName.charAt(0);
    System.out.println("Name is: " + firstName + " Init is: " + firstInitial);   
  }
  
}