java编写学生成绩录入系统

1.学生类  包括学生的姓名和各科成绩

public class Score {
	public String name;
    public double EnglishGrade,	MathGrade,phyicalGrade,
    chemicalGrade,biologicalGrade;
	Score() {

	}

	public Score(String name,double EnglishGrade,
			double	MathGrade,double phyicalGrade,
			double chemicalGrade,double biologicalGrade){
		this.name = name;
		this.EnglishGrade = EnglishGrade;
		this.MathGrade = MathGrade; 
		this.phyicalGrade = phyicalGrade;
		this.chemicalGrade = chemicalGrade;
		this.biologicalGrade = biologicalGrade;
		
	}

}

2.对学生类进行设置 包括设置查找等

package score;

public class ScoreZip {
	Score[] S = new Score[5];

	public void setData(Score name, int index) {//添加成绩类到成绩数组中
		S[index] = name;
	}

	public Score[] getData() { //返回学生数组
		return S;
	}

	public Score SerchData(String name) {  //查找学生各科成绩
		for (int index = 0; index < S.length; index++) {
			if (name !=null && S[index] != null )
				if (S[index].name.equals(name)){
					return S[index];
				}
		 }
		return null;
	}
}

3.学生成绩录入及学生成绩清单

package score;

import java.util.Scanner;


public class ScoreZip2 {
	public static void main(String[] arr) {
		Scanner Sc = new Scanner(System.in);
		ScoreZip Sr = new ScoreZip();
		for (int i = 0; i < 5; i++) { //这里定义长度为五的学生成绩表
			System.out.println("输入学生姓名:");
			String name = Sc.next();
			if (name.equals("n")) {
				break;
			}
			System.out.println("英语分数:");
			double English = Sc.nextDouble();
			System.out.println("数学分数:");
			double Math = Sc.nextDouble();
			System.out.println("物理分数:");
			double Physical = Sc.nextDouble();
			System.out.println("化学分数:");
			double Chemical = Sc.nextDouble();
			System.out.println("生物分数:");
			double Biology = Sc.nextDouble();
			
			
			Score s = new Score(name, English,Math,Physical,Chemical,Biology);
			Sr.setData(s, i);
		}
		System.out.println("=========================================" +
				"学生成绩表======================================");
		System.out.println("姓名\t\t英语成绩\t\t数学成绩\t\t物理成绩\t\t化学成绩\t\t生物成绩");
		Score[] b = Sr.getData();
		for (Score S : b) {
			if (S == null) {
				break;
			}
			System.out.println(S.name + "\t\t" + S.EnglishGrade+"\t\t"+S.MathGrade
					+"\t\t"+S.phyicalGrade+"\t\t"+S.chemicalGrade+"\t\t"+S.biologicalGrade);
		}
		System.out.println("是否查找学生成绩？ 是Y 否N");
		String flag = Sc.next();
		if(flag.equals("Y")){
		System.out.println("输入要查找的学生名:");
		String name = Sc.next();
		Score S = Sr.SerchData(name);
		if (S == null) {
			System.out.println("对不起，没有此学生名");
		} else {
			double mg = S.MathGrade;
			double eg = S.EnglishGrade;
			double pg = S.phyicalGrade;
			double cg= S.chemicalGrade;
			double bg = S.biologicalGrade;
			double submit = mg+eg+pg+cg+bg;
			System.out.println("要查找的学生为:" + name + "\n数学成绩为:" + mg
					+ "\n英语成绩为:" + eg+ "\n物理成绩为:" + pg+ "\n化学成绩为:" + cg
					+ "\n生物成绩为:" + bg+ "\n总成绩成绩为:" + submit);
		     }
		}
	}
}

结果图：