8_1_030421217.java

开始学JAVA老师布置的作业一学期的哦希望新手有用

import java.io.*;
import java.util.*;
import java.lang.*;
class Exer8_1
{
	public static void write(String filename,String text) throws IOException
	{
		PrintWriter out = new  PrintWriter(new BufferedWriter(new FileWriter(filename)));
		out.println(text);
		out.close();
	}
	public static void main(String[] args) throws IOException
	{
		int i=0;
		BufferedReader in =new BufferedReader(new InputStreamReader(System.in));
		String s;
		String mys="";
		while(i!=5)
		{
			System.out.println("开始输入同学 "+ i++ +" 的信息:");

			System.out.print("\n   学号: ");
			s=in.readLine();
			mys=mys+s+"\n";
			System.out.print("\n   姓名: ");
			s=in.readLine();
			mys=mys+s+"\n";
			System.out.print("\n   语文: ");
			s=in.readLine();
			mys=mys+s+"\n";
			System.out.print("\n   数学: ");
			s=in.readLine();
			mys=mys+s+"\n";
			System.out.print("\n   外语: ");
			s=in.readLine();
			mys=mys+s+"\n";
			write("STUDENT.DAT",mys);
			System.out.print("\n\n");
		}
		in.close();
	}
}