4-1.txt

清华大学第二版

class Calculator {
		public static double calculateAverage(int[] numbers) {
			int sum = 0;
			for (int i=0; i<numbers.length; i++)
				sum += numbers[i];
			return sum/(double)numbers.length;
		}
		public static int findMaximum(int[] numbers) {
			int max = numbers[0];
			for (int i=0; i<numbers.length; i++)
				if (numbers[i] > max)
					max = numbers[i];
			return max;
		}
	} 
	public class CalculatorTester2 {
		public static void main(String args[]) {
			int numbers[] = {23, 54, 88, 98, 23, 54, 7, 72, 35, 22};
			System.out.println("The maximum is " + Calculator.findMaximum(numbers));
		}
	}