Java: An Introduction to Problem Solving and Programming, 8th Edition

Answers to Self-Test Questions

1. 1.

   if (goals > 10)
      System.out.println("Wow");
   else
      System.out.println("Oh Well");

2. 2.

   if ((goals > 10) && (errors == 0))
         System.out.println("Wow"); 
   else
         System.out.println("Oh Well");

3. 3.

   if (salary >= deductions)
   {
      System.out.println("OK");
      net = salary - deductions;
   }
   else
   {
      System.out.println("No Way");
   }

   It is also acceptable to omit the braces in the else part.

4. 4.

   if ((speed > 25) && (visibility < 20))
   {
      speed = 25;
      System.out.println("Caution");
   }

5. 5.

   if ((salary >= MIN_SALARY) || (bonus >= MIN_BONUS))
      System.out.println("OK");
   else
      System.out.println("Too low");

6. 6.

   String upperWord = nextWord.toUpperCase();
   if (upperWord.compareTo("N") < 0)
      System.out.println("First half of the alphabet");
   else System.out.println("Second ...