// Miya Natsuhara
// 06-28-2019
// CSE142
// TA: Grace Hopper

// A few examples of using and working with variables. 

public class VariablePractice {
   public static void main(String[] args) {
      // variables
      
      // declaration
      int x;
      
      // initialization (first time you assign to a variable)
      x = 5;
      
      // reassignment
      x = -2;      
      
      // decl & init in one lines
      int y = 25;
      
      // can assign variables to results of expressions
      y = 80 - 6 * 4 % 12;
      x = y + 20; // even expressions involving other variables!
      
      y = 0;
      
      x += 1;  // equivalent to x = x + 1
      x -= 5;  // equivalent to x = x - 5
      
      /*
      x += 1 same as x = x + 1 same as x++ (incrementing x by 1)
      x -= 1 same as x = x - 1 same as x-- (decrementing x by 1)
      */
      
      // To print out the value in a variable, use the variable's name in the () of 
      // System.out.println
      System.out.println("x = " + x);
      System.out.println("y = " + y);
   }
}