7-4 编程练习题答案

public class Test1
{
	public static void main(String[] args)
	{
		int[][] workHours = {
		{2, 4, 3, 4, 5, 8, 8},
		{7, 3, 4, 3, 3, 4, 4},
		{3, 3, 4, 3, 3, 2, 2},
		{9, 3, 4, 7, 3, 4, 1},
		{3, 5, 4, 3, 6, 3, 8},
		{3, 4, 4, 6, 3, 4, 4},
		{3, 7, 4, 8, 3, 8, 4},
		{6, 3, 5, 9, 2, 7, 9}
		};

		int[] weeklyTime = new int[workHours.length];
		for(int i = 0; i < workHours.length; i++)
			for(int j = 0; j < workHours[i].length; j++)
				weeklyTime[i] += workHours[i][j];
		show(weeklyTime);
	}

	public static void show(int[] weeklyTime)
	{
		int[] temp = new int[weeklyTime.length];
		System.arraycopy(weeklyTime, 0, temp, 0, weeklyTime.length);

		for(int i = 0; i < weeklyTime.length; i++)
		{
			int currentMaxTime = -1;
			int currentMaxTimeIndex = -1;
			for(int j = 0; j < weeklyTime.length; j++)
			{
				if(currentMaxTime < weeklyTime[j])
				{
					currentMaxTime = weeklyTime[j];
					currentMaxTimeIndex = j;
				}
			}
			if(currentMaxTimeIndex != -1)
			{
				System.out.println("Employee " + currentMaxTimeIndex + ": " + weeklyTime[currentMaxTimeIndex]);
				weeklyTime[currentMaxTimeIndex] = -1;
			}
		}
	}
}