TQC+ JAVA 605 成績資訊系統

TQC+ JAVA6 試題總覽：LINK
Github 備份：LINK

	/* TQC+ JAVA6 - 605_1 */
	//建立一個抽象屬性的方法
	abstract class MIS{
	private String name;
	private int chi;
	private int eng;
	//建立建構子，初始化姓名、國文成績、英文成績
	public MIS(String s,int i,int j)
	{name = s;chi = i;eng = j;}
	//建立抽象方法，須在繼承的class中實作
	public abstract double averageElect();
	//建立平均計算方法
	public double averageAll()
	{return averageElect()*0.6 + (double)((chi+eng)/2.0)*0.4;}
	}
	//繼承MIS
	class IT extends MIS {
	private int pl;
	private int db;
	private int ds;
	//建構子初始化必修成績和選修成績
	IT(String s,int i,int j,int k,int l,int ii)
	{
	super(s,i,j);
	pl=k;
	db=l;
	ds=ii;
	}
	public double averageElect(){return (pl+db+ds)/3.0;}
	}
	//繼承MIS
	class IM extends MIS{
	private int econ;
	private int acct;
	//建構子初始化必修成績和選修成績
	IM(String s,int i,int j,int k ,int l)
	{
	super(s,i,j);
	econ = k;
	acct =l;
	}
	public double averageElect(){return (econ+acct)/2.0;}
	}
	public class JPA06_1 {
	public static void main(String argv[]) {
	//建立MIS物件IT和IM
	MIS s1 = new IT("John", 88, 90, 76, 68, 84);
	MIS s2 = new IM("Paul", 92, 80, 76, 68);
	System.out.printf("John's elect score: %.2f all score %.2f\n", s1.averageElect(), s1.averageAll());
	System.out.printf("Paul's elect score: %.2f all score %.2f\n", s2.averageElect(), s2.averageAll());
	}
	}

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	/* TQC+ JAVA6 - 605_2 */
	abstract class MIS{
	private String name;
	private int chi;
	private int eng;
	public MIS(String s,int i,int j)
	{name = s;chi = i;eng = j;}
	public abstract double averageElect();
	//更改主科成績取得方法
	public double averageMust(){return (double)((chi+eng)/2.0);}
	public double averageAll()
	{return averageElect()*0.6 + averageMust()*0.4;}
	}
	class IT extends MIS {
	private int pl;
	private int db;
	private int ds;
	IT(String s,int i,int j,int k,int l,int ii)
	{
	super(s,i,j);
	pl=k;
	db=l;
	ds=ii;
	}
	public double averageElect(){return (pl+db+ds)/3.0;}
	}
	class IM extends MIS{
	private int econ;
	private int acct;
	IM(String s,int i,int j,int k ,int l)
	{
	super(s,i,j);
	econ = k;
	acct =l;
	}
	public double averageElect(){return (econ+acct)/2.0;}
	}
	//再繼承自IT
	class ITM extends IT{
	private int acct;
	//建構子初始化成績
	ITM(String s,int i,int j,int k,int l,int ii,int jj)
	{
	super(s,i,j,k,l,ii);
	acct=jj;
	}
	//實作MIS的方法，複寫IT的方法
	public double averageElect(){return (super.averageElect()+acct)/2.0;}
	public double averageAll() {return (super.averageMust()*0.4 + super.averageElect()*0.4 + acct*0.2);}
	}
	public class JPA06_2 {
	public static void main(String argv[]) {
	//建立MIS物件ITM
	MIS s3 = new ITM("Mary", 79, 88, 94, 92, 83, 69);
	System.out.printf("Mary's elect score: %.2f all score %.2f\n", s3.averageElect(), s3.averageAll());
	}
	}

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	/* TQC+ JAVA6 - 605_3 */
	abstract class MIS{
	private String name;
	private int chi;
	private int eng;
	//初始化人數為0
	private static int count =0;
	//每建立一次MIS物件時會使count++
	public MIS(String s,int i,int j){
	name = s;
	chi = i;
	eng = j;
	count++;
	}
	public abstract double averageElect();
	public double averageMust(){
	return (double)((chi+eng)/2.0);
	}
	public double averageAll(){
	return averageElect()*0.6 + averageMust()*0.4;
	}
	//設定取得count方法
	public static int getCount(){
	return count;
	}
	}
	class IT extends MIS {
	private int pl;
	private int db;
	private int ds;
	IT(String s,int i,int j,int k,int l,int ii){
	super(s,i,j);
	pl=k;
	db=l;
	ds=ii;
	}
	public double averageElect(){
	return (pl+db+ds)/3.0;
	}
	}
	class IM extends MIS{
	private int econ;
	private int acct;
	IM(String s,int i,int j,int k ,int l){
	super(s,i,j);
	econ = k;
	acct =l;
	}
	public double averageElect(){
	return (econ+acct)/2.0;
	}
	}
	class ITM extends IT{
	private int acct;
	ITM(String s,int i,int j,int k,int l,int ii,int jj){
	super(s,i,j,k,l,ii);
	acct=jj;
	}
	public double averageElect(){
	return (super.averageElect()+acct)/2.0;
	}
	public double averageAll() {
	return (super.averageMust()*0.4 + super.averageElect()*0.4 + acct*0.2);
	}
	}
	public class JPA06_3 {
	public static void main(String argv[]) {
	MIS s1 = new IT("John", 88, 90, 76, 68, 84);
	MIS s2 = new IM("Paul", 92, 80, 76, 68);
	MIS s3 = new ITM("Mary", 79, 88, 94, 92, 83, 69);
	//System.out.printf("John's elect score: %.2f all score %.2f\n", s1.averageElect(), s1.averageAll());
	//System.out.printf("Paul's elect score: %.2f all score %.2f\n", s2.averageElect(), s2.averageAll());
	//System.out.printf("Mary's elect score: %.2f all score %.2f\n", s3.averageElect(), s3.averageAll());
	System.out.println("Total students: " + MIS.getCount());
	}
	}

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	/* TQC+ JAVA6 - 605_4 */
	import java.util.HashMap;
	import java.util.Iterator;
	import java.util.Map;
	abstract class MIS{
	private String name;
	private int chi;
	private int eng;
	private static int count =0;
	public MIS(String s,int i,int j){
	name = s;
	chi = i;
	eng = j;
	count++;
	}
	public abstract double averageElect();
	public double averageMust(){
	return (double)((chi+eng)/2.0);
	}
	public double averageAll(){
	return averageElect()*0.6 + averageMust()*0.4;
	}
	public static int getCount(){
	return count;
	}
	}
	class IT extends MIS {
	private int pl;
	private int db;
	private int ds;
	IT(String s,int i,int j,int k,int l,int ii){
	super(s,i,j);
	pl=k;
	db=l;
	ds=ii;
	}
	public double averageElect(){
	return (pl+db+ds)/3.0;
	}
	}
	class IM extends MIS{
	private int econ;
	private int acct;
	IM(String s,int i,int j,int k ,int l){
	super(s,i,j);
	econ = k;
	acct =l;
	}
	public double averageElect(){
	return (econ+acct)/2.0;
	}
	}
	class ITM extends IT{
	private int acct;
	ITM(String s,int i,int j,int k,int l,int ii,int jj){
	super(s,i,j,k,l,ii);
	acct=jj;
	}
	public double averageElect(){
	return (super.averageElect()+acct)/2.0;
	}
	public double averageAll(){
	return (super.averageMust()*0.4 + super.averageElect()*0.4 + acct*0.2);
	}
	}
	//建立MISClass方法
	class MISClass {
	private HashMap stu;
	//建構子初始化為HashMap
	MISClass(){
	stu = new HashMap();
	}
	//建立方法，將學生的key,value放到HashMap
	public void put(String s,MIS mis){
	stu.put(s, mis);
	}
	public void list(){
	//取出Map值用
	Map.Entry entry = null;
	MIS mis = null;
	//透過Iterator將整份的Map(key,value)放入
	for(Iterator iterator = stu.entrySet().iterator();iterator.hasNext();){
	//判斷是否還有下一個
	entry = (Map.Entry)iterator.next();
	//取出MIS物件
	mis = (MIS)entry.getValue();
	System.out.printf("%s : %.2f \n",entry.getKey(),mis.averageAll());
	}
	}
	}
	public class JPA06_4 {
	public static void main(String argv[]) {
	//建立MIS物件IT、IM、ITM
	MIS s1 = new IT("John", 88, 90, 76, 68, 84);
	MIS s2 = new IM("Paul", 92, 80, 76, 68);
	MIS s3 = new ITM("Mary", 79, 88, 94, 92, 83, 69);
	//System.out.printf("John's elect score: %.2f all score %.2f\n", s1.averageElect(), s1.averageAll());
	//System.out.printf("Paul's elect score: %.2f all score %.2f\n", s2.averageElect(), s2.averageAll());
	//System.out.printf("Mary's elect score: %.2f all score %.2f\n", s3.averageElect(), s3.averageAll());
	//建立MISClass物件
	MISClass c1 = new MISClass();
	//將產生好的物件放入Map中，key=名字，value=MIS物件
	c1.put("John", s1);
	c1.put("Paul", s2);
	c1.put("Mary", s3);
	c1.list();
	}
	}

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	/* TQC+ JAVA6 - 605_5 */
	import java.util.HashMap;
	import java.util.Iterator;
	import java.util.Map;
	abstract class MIS{
	private String name;
	private int chi;
	private int eng;
	private static int count =0;
	public MIS(String s,int i,int j){
	name = s;
	chi = i;
	eng = j;
	count++;
	}
	public abstract double averageElect();
	public double averageMust(){
	return (double)((chi+eng)/2.0);
	}
	public double averageAll(){
	return averageElect()*0.6 + averageMust()*0.4;
	}
	public static int getCount(){
	return count;
	}
	}
	class IT extends MIS {
	private int pl;
	private int db;
	private int ds;
	IT(String s,int i,int j,int k,int l,int ii){
	super(s,i,j);
	pl=k;
	db=l;
	ds=ii;
	}
	public double averageElect(){
	return (pl+db+ds)/3.0;
	}
	}
	class IM extends MIS{
	private int econ;
	private int acct;
	IM(String s,int i,int j,int k ,int l){
	super(s,i,j);
	econ = k;
	acct =l;
	}
	public double averageElect(){
	return (econ+acct)/2.0;
	}
	}
	class ITM extends IT{
	private int acct;
	ITM(String s,int i,int j,int k,int l,int ii,int jj){
	super(s,i,j,k,l,ii);
	acct=jj;
	}
	public double averageElect(){
	return (super.averageElect()+acct)/2.0;
	}
	public double averageAll(){
	return (super.averageMust()*0.4 + super.averageElect()*0.4 + acct*0.2);
	}
	}
	class MISClass {
	private HashMap stu;
	MISClass(){
	stu = new HashMap();
	}
	public void put(String s,MIS mis){
	stu.put(s, mis);
	}
	public void list() throws Exception{
	Map.Entry entry = null;
	MIS mis = null;
	for(Iterator iterator = stu.entrySet().iterator();iterator.hasNext();
	System.out.printf("%s : %.2f \n",entry.getKey(),mis.averageAll())){
	entry = (Map.Entry)iterator.next();
	mis = (MIS)entry.getValue();
	//新增一個判斷方法
	if(mis.averageAll() >100)//如果平均大於100分，則丟出錯誤訊息
	throw new Exception("**"+entry.getKey()+":"+mis.averageAll());
	}
	}
	}
	public class JPA06_5 {
	public static void main(String argv[]) {
	MISClass c1 = new MISClass();
	c1.put("Peter", new IM("Peter", 89, 980, 77, 69));
	//將try-catch加入，主要是在列印出成績時，檢查是否有錯誤
	try{
	c1.list();
	} catch(Exception e) {
	System.out.println(e.getMessage());
	}
	}
	}

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TQC+ JAVA6 試題總覽：LINK
Github 備份：LINK

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