savegrade.java

这是一个简单的考试系统

package com.tool;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;

import com.pogo.Grade;

public class saveGrade {
	public saveGrade(ArrayList list){
		File f=new File("files\\grade.txt");
		try {
			BufferedWriter bw=new BufferedWriter(new FileWriter(f));
			for(int i=0;i<list.size()-1;i++){
				bw.write(((Grade)list.get(i)).getName()+"#"+((Grade)list.get(i)).getGrade());
				bw.newLine();
			}	
			bw.write(((Grade)list.get(list.size()-1)).getName()+"#"+((Grade)list.get(list.size()-1)).getGrade());
			bw.close();
		} catch (IOException e) {
		}
	}
}