Examples 1. What would be displayed as a result of executing the following code? int - 15 y 20 22; x + 12: -- 14; System.out.println( - + x 2. What will be the value of discountRate after the following statements are executed? double discount Rate = 0.0; int purchase = 100; if (purchase > 1000) discountRate = 0.05; else if (purchase > 750) discount Rate = 0.03; else if (purchase > 500) discountRate = 0.01; 3. What will be displayed after the following statements are executed? int y = 10; if (y == 10) int x = 30; x += y; System.out.println(x)