掌握在数组上进行排序和查找的方法和算法 理解方法特点，并能灵活运用 加深对排序和查找方法的理解，逐步培养解决实际问题的编程能力 -In the hands of the array on the method to sort and find methods and algorithms to understand the characteristics and flexibility in the use of better understanding of the sort an