class MaxMinAve {
	public static void main(String args[]){
		float maximum, minimum;
		float sum=0;
		
		float grades[]= new float[6];
		
		grades[0]=(float)65.5;
		grades[1]=89;
		grades[2]=79;
		grades[3]=88;
		grades[4]=98;
		grades[5]=87;
		
		maximum=grades[0];
		minimum=grades[0];
		
		for(int i=0;i<grades.length;i++){
			if(maximum<grades[i]) maximum= grades[i];
			if(minimum>grades[i]) minimum= grades[i];
			sum+=grades[i];
		}
		System.out.println("初始數組如下：");
		for(int i=0;i<grades.length;i++)
			System.out.print("  "+grades[i]);
		
		System.out.println("\n最大值是 "+maximum+".");
		System.out.println("最小值是 "+minimum+".");
		System.out.println("平均值是 "+sum/grades.length+".");
	}
}