3.3 Solutions

void setup()
{
   final int VOTING_AGE = 18;
   int age;
   boolean eligible;
   age = getInt("Enter age");
   if (age >= VOTING_AGE)
      eligible = true;
   else
      eligible = false;
   if (eligible)
      println("Eligible to vote");
   else
      println("Not eligible to vote");
}

```
Eligible to vote
```
```
eligible = age >= VOTING_AGE;
```

```
if (total == 0)
   zeroCount++;
```

if (n == (int)sqrt(n) * (int)sqrt(n))
   println(n + " is a perfect square");
else
   println(n + " is NOT perfect square");

if (lineCount > pageLength)
   pageCount++;

if (page % 2 == 0)
   leftSide = true;
else
   leftSide = false;

if (x == y)
   println("Values are equal");

if (answer > maxValue)
   println("Answer is wrong");

void setup()
{
   int first = getInt("Please enter an integer:");
   int second = getInt("Please enter another integer:");
   println ("The two numbers that you entered were " 
                     + first + " and " + second);
   print(first + " is ");
   if (second % first != 0)
      print ("not ");
   println ("a multiple of " + second);
}

void setup()
{
   double input = getDouble("Enter number");
   println("The number you entered: " + input);
   print("The absolute value of that number is: ");
   if (input >= 0)
      println(input);
   else
      println(-1 * input);
}

void setup()
{
   int a = getInt("Please enter a value for a");
   int b = getInt("Please enter a value for b");
   print(a + "x + " + b + " = 0");
   if (a == 0 && b != 0)
      println(" is inconsistent. No solution exists.");
   else if (a == 0 && b == 0)
      println(" has infinitely many solutions.");
   else
      println(" has the solution: x = " + ((float) - b / a));
}