public static int evens(int low, int high) {
int sum = 0;
for (int num=low; num<=high; num++)
	if (num % 2 == 0) sum += num;
return sum;
}

---

/**
	compute the sum fo the even numbers between two values
	@param low the number to start with
	@param high the number to end with, ASSUMES low <= high
	@return the sum of the even numbers
*/

---

System.out.println(evens(1, 100));

---

BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
public static int countchar(char it) {
int count = 0;
char current;
do {
	current = (char) br.read();
	count++;
} while (current != it);
return count;
}

---

2.5 5.6 3.4 2.3
12345
45

---

public

---

static

---

void

---

3x4x5
$0.0 for Dr. H
10x20x30
$20.5 for Manny
10x20x30
$20.5 for Manny
3x4x5
$0.0 for Moe
3x4x5
$10.0 for Jack


---

public double changeMax(double num) {
if (num <= MAXCOST) cost = num;
return cost;
}


---

Gift [] presents = new Gift[10];

---

presents[0] = new Gift();

---

presents[9] = new Gift(5, 7, 9, 43.24, "myself");
// or
presents[presents.length-1] = new Gift(5, 7, 9, 43.24, "myself");

---

presents[0].printall();

---

  Random R = new Random();
  int num = Math.abs(R.nextInt())%8+13;
  System.out.println(num);