java小程序2：1。输入五名学生成绩，这个数字将B。

Java小程序两个： 1.输入五个同学的成绩，并将这五个数保存到文件“data.txt”中。然后再编写一个程序：从“data.txt”中读取这五个成绩，计算他们的平均数，然后从小到大排序并输出这五个人的成绩。 2.将八皇后问题的所有界保存到文件“Queen.txt”中。-Java applet 2 : 1. Importation of five students achievements, This number will be five to preserve documents "data.txt". Then the preparation of a program : "data.txt" Read this five results, calculating the average, then order from small to large output and five personal achievements. 2. Eight of the Queen"s community preservation of all documents "Queen.txt".