Herr Deng桑的教學blog: ex4

2011年6月16日星期四

ex4

請定義類別

class student
{
String name;
int score;
....
};

有五筆學生資料：

學生甲 54
學生乙 83
學生丙 66
學生丁 88
學生戊 65

(1) 請宣告1個屬於student類別之陣列物件stu[ ]，
並請將五筆學生資料的值於程式碼中存入陣列物件stu[ ]中。

(2) 利用迴圈，列印出這五名學生成績的總平均。

(3) 利用迴圈，列印出這五名學生不及格之學生姓名。

25 則留言:

B9933065 提到...: class student{
String name;
int score;
student(String name,int score){
this.name=name;
this.score=score;
}
}
class Ex4{
public static void main(String []args){
student stu[]=new student[5];
stu[0]=new student("學生甲",54);
stu[1]=new student("學生乙",83);
stu[2]=new student("學生丙",66);
stu[3]=new student("學生丁",88);
stu[4]=new student("學生戊",65);
int sum=0;
for(int i=0;i<=4;i++)
sum=sum+stu[i].score;
float av=(float)sum/5;
System.out.println(av);
for(int s=0;s<=4;s++){
if(stu[s].score<60)
System.out.println(stu[s].name);
}
}
}; 2011年6月16日下午2:19
B9933100 提到...: class student{
String name;
int score;
student(String name,int score){
this.name=name;
this.score=score;

}
}
class Ex4{
public static void main(String []args){
student stu[]=new student[5];
stu[0]=new student("學生甲",54);
stu[1]=new student("學生乙",83);
stu[2]=new student("學生丙",66);
stu[3]=new student("學生丁",88);
stu[4]=new student("學生戊",65);
int sum=0;
for(int i=0;i<=4;i++)
sum=sum+stu[i].score;
float av=(float)sum/5;
System.out.println("平均分數："+av+"分");
for (int i=0;i<=4;i++){
if (stu[i].score<60)
System.out.print("不及格有："+stu[i].name);
}
}
}; 2011年6月16日下午2:32
B9933061 提到...: class student{
String name;
int score;
student(String name,int score){
this.name=name;
this.score=score;
}
}
class Ex4{
public static void main(String [] argv){
student stu[]=new student[5];
stu[0]=new student("學生甲",54);
stu[1]=new student("學生乙",83);
stu[2]=new student("學生丙",66);
stu[3]=new student("學生丁",88);
stu[4]=new student("學生戊",65);
int sum=0;
for(int i=0;i<=4;i++)
sum=sum+stu[i].score;
float ave=(float)sum/5;
System.out.println(ave);
for(int i=0;i<=4;i++){
if(stu[i].score<60)
System.out.println(stu[i].name);
}
}
}; 2011年6月16日下午2:32
B9933108 提到...: class student{
String name;
int score;
student(String name,int score){
this.name=name;
this.score=score;
}
}
class Ex4{
public static void main(String[]args){
student stu[]=new student[5];
stu[0]=new student("學生甲",60);
stu[1]=new student("學生乙",62);
stu[2]=new student("學生丙",65);
stu[3]=new student("學生丁",100);
stu[4]=new student("學生戊",59);
int sum=0;
for(int i=0;i<=4;i++)
sum=sum+stu[i].score;
float av=(float)sum/5;
System.out.println(av);
for(int s=0;s<=4;s++)
if(stu[s].score<60)
System.out.println(stu[s].name);
}
}; 2011年6月16日下午2:37
B9933097 提到...: class student{
String name;
int score;
student(String name,int score){
this.name=name;
this.score=score;
}
}
class ex4 {
public static void main(String[] arg){
student stu[]=new student[5];
stu[0]=new student("A",80);
stu[1]=new student("B",59);
stu[2]=new student("C",69);
stu[3]=new student("D",27);
stu[4]=new student("E",18);
int sum=0;
float average;
for(int i=0;i<=4;i++){
sum=sum+stu[i].score;

if(stu[i].score<60)
System.out.println(stu[i].name);
}
average=(float)sum/5;
System.out.println("average:"+average);
}
}; 2011年6月16日下午2:47
b9933064 提到...: class student{
String name;
int score;
student(String name,int score){
this.name=name;
this.score=score;
}
}
class ex4 {
public static void main(String[]arg){
student stu[]=new student[5];
stu[0]=new student("學生甲",54);
stu[1]=new student("學生乙",83);
stu[2]=new student("學生丙",66);
stu[3]=new student("學生丁",88);
stu[4]=new student("學生戊",65);
int sum=0;
float average;
for(int i=0;i<=4;i++){
sum=sum+stu[i].score;
if(stu[i].score<60)
System.out.println(stu[i].name);
}
average=(float)sum/5;
System.out.println("平均:"+average);
}
}; 2011年6月16日下午2:49
b9933097 提到...: class student{
String name;
int score;
student(String name,int score){
this.name=name;
this.score=score;
}
}
class ex4 {
public static void main(String[] arg){
student stu[]=new student[5];
stu[0]=new student("A",54);
stu[1]=new student("B",83);
stu[2]=new student("C",66);
stu[3]=new student("D",88);
stu[4]=new student("E",65);
int sum=0;
float average;
for(int i=0;i<=4;i++){
sum=sum+stu[i].score;

if(stu[i].score<60)
System.out.println(stu[i].name);
}
average=(float)sum/5;
System.out.println("average:"+average);
}
}; 2011年6月16日下午2:50
B9933078 提到...: class student{
String name;
int score;
student(String name,int score){
this.name=name;
this.score=score;
}
}
class ex4 {
public static void main(String[]arg){
student stu[]=new student[5];
stu[0]=new student("學生甲",54);
stu[1]=new student("學生乙",83);
stu[2]=new student("學生丙",66);
stu[3]=new student("學生丁",88);
stu[4]=new student("學生戊",65);
int sum=0;
float average;
for(int i=0;i<=4;i++){
sum=sum+stu[i].score;
if(stu[i].score<60)
System.out.println(stu[i].name);
}
average=(float)sum/5;
System.out.println("average:"+average);
}
}; 2011年6月16日下午2:51
b9933110 提到...: class student{
String name;
int score;
student(String name,int score){
this.name=name;
this.score=score;

}
}
class ex4{
public static void main(String[]arg){
student stu[]=new student[5];
stu[0]=new student("學生甲",54);
stu[1]=new student("學生乙",83);
stu[2]=new student("學生丙",66);
stu[3]=new student("學生丁",88);
stu[4]=new student("學生戊",65);
int sum=0;
float average;
for(int i=0;i<=4;i++){
sum=sum+stu[i].score;

if(stu[i].score<60)
System.out.println(stu[i].name);

}
average=(float)sum/5;
System.out.println("平均:"+average);

}
}; 2011年6月16日下午2:51
A9933058 提到...: class student{
String name;
int score;
student(String name,int score){
this.name=name;
this.score=score;
}
}
class yy1 {
public static void main(String[]arg){
student stu[]=new student[5];
stu[0]=new student("學生甲",54);
stu[1]=new student("學生乙",83);
stu[2]=new student("學生丙",50);
stu[3]=new student("學生丁",88);
stu[4]=new student("學生戊",65);
int sum=0;
float average;
for(int i=0;i<=4;i++){
sum=sum+stu[i].score;
if(stu[i].score<60)
System.out.println(stu[i].name);
}
average=(float)sum/5;
System.out.println("平均:"+average);
}
}; 2011年6月16日下午2:52
B9933110 提到...: class student{
String name;
int score;
student(String name,int score){
this.name=name;
this.score=score;

}
}
class ex4{
public static void main(String[]arg){
student stu[]=new student[5];
stu[0]=new student("學生甲",100);
stu[1]=new student("學生乙",60);
stu[2]=new student("學生丙",69);
stu[3]=new student("學生丁",40);
stu[4]=new student("學生戊",30);
int sum=0;
float average;
for(int i=0;i<=4;i++){
sum=sum+stu[i].score;

if(stu[i].score<60)
System.out.println(stu[i].name);

}
average=(float)sum/5;
System.out.println("平均:"+average);

}
}; 2011年6月16日下午2:53
b9933093 提到...: class student
{
String name;
int score;
student(String name,int score)
{
this.name=name;
this.score=score;
}
}
class ex4 {
public static void main(String[] arg)
{
student stu[]=new student[5];
stu[0]=new student("學生甲",54);
stu[1]=new student("學生乙",83);
stu[2]=new student("學生丙",66);
stu[3]=new student("學生丁",88);
stu[4]=new student("學生戊",65);
int sum=0;
float average;
for(int i=0;i<=4;i++)
{
sum=sum+stu[i].score;
if(stu[i].score<60)
System.out.println(stu[i].name);
}
average=(float)sum/5;
System.out.println("average:"+average);
}
}; 2011年6月16日下午3:03
b9933094 提到...: class student
{
String name;
int score;
student(String name,int score)
{
this.name=name;
this.score=score;
}
}
class stu{
public static void main(String []arg)
{
student stu[]=new student[5];
stu[0]=new student("學生甲",54);
stu[1]=new student("學生乙",83);
stu[2]=new student("學生丙",66);
stu[3]=new student("學生丁",88);
stu[4]=new student("學生戊",65);
int sum=0;
float average;
for(int i=0;i<=4;i++)
{
sum=sum+stu[i].score;
if(stu[i].score<60)
System.out.println(stu[i].name);

}
average=(float)sum/5;
System.out.println("average:"+average);
}

}; 2011年6月16日下午3:03
B9933085 提到...: class student {
String name;
int score;
student(String name,int score){
this.name=name;
this.score=score;
}
}
class Ex4 {
public static void main(String[] args) {
student stu[]=new student[5];
stu[0]=new student("學生甲",54);
stu[1]=new student("學生乙",83);
stu[2]=new student("學生丙",66);
stu[3]=new student("學生丁",88);
stu[4]=new student("學生戊",65);
int sum=0;
for(int i=0;i<=4;i++)
sum=sum+stu[i].score;
float ave=(float)sum/5;
System.out.println(ave);
for(int i=0;i<=4;i++){
if(stu[i].score<60)
System.out.println(stu[i].name);
}
}
}; 2011年6月16日下午3:04
b9933089 提到...: class student{
String name;
int score;
student(String name,int score){
this.name=name;
this.score=score;
}
}
class ex4 {
public static void main(String[]arg){
student stu[]=new student[5];
stu[0]=new student("學生甲",54);
stu[1]=new student("學生乙",83);
stu[2]=new student("學生丙",66);
stu[3]=new student("學生丁",88);
stu[4]=new student("學生戊",65);
int sum=0;
float average;
for(int i=0;i<=4;i++){
sum=sum+stu[i].score;
if(stu[i].score<60)
System.out.println(stu[i].name);
}
average=(float)sum/5;
System.out.println("平均:"+average);
}
}; 2011年6月16日下午3:04
b9933115 提到...: class student{
String name;
int score;
student(String name,int score){
this.name=name;
this.score=score;
}
}
class ex4 {
public static void main(String[]arg){
student stu[]=new student[5];
stu[0]=new student("學生甲",54);
stu[1]=new student("學生乙",83);
stu[2]=new student("學生丙",66);
stu[3]=new student("學生丁",88);
stu[4]=new student("學生戊",65);
int sum=0;
float average;
for(int i=0;i<=4;i++){
sum=sum+stu[i].score;
if(stu[i].score<60)
System.out.println(stu[i].name);
}
average=(float)sum/5;
System.out.println("平均:"+average);
}
}; 2011年6月16日下午3:09
a9933056 提到...: class student{
String name;
int score;
student(String name,int score){
this.name=name;
this.score=score;
}
}
class ex4 {
public static void main(String[]arg){
student stu[]=new student[5];
stu[0]=new student("學生甲",78);
stu[1]=new student("學生乙",63);
stu[2]=new student("學生丙",56);
stu[3]=new student("學生丁",87);
stu[4]=new student("學生戊",75);
int sum=0;
float average;
for(int i=0;i<=4;i++){
sum=sum+stu[i].score;
if(stu[i].score<60)
System.out.println(stu[i].name);
}
average=(float)sum/5;
System.out.println("平均:"+average);
}
}; 2011年6月16日下午3:18
A9933059 提到...: class student{
String name;
int score;
student(String name,int score){
this.name=name;
this.score=score;
}
}
class EX4 {
public static void main(String[]arg){
student stu[]=new student[5];
stu[0]=new student("學生甲",54);
stu[1]=new student("學生乙",83);
stu[2]=new student("學生丙",66);
stu[3]=new student("學生丁",88);
stu[4]=new student("學生戊",65);
int sum=0;
float average;
for(int i=0;i<=4;i++){
sum=sum+stu[i].score;
if(stu[i].score<60)
System.out.println(stu[i].name);
}
average=(float)sum/5;
System.out.println("平均:"+average);
}
}; 2011年6月16日下午3:27
B9933106 提到...: class student{
String name;
int score;
student(String name,int score){
this.name=name;
this.score=score;
}
}
class Ex4{
public static void main(String [] argv){
student stu[]=new student[5];
stu[0]=new student("學生甲",54);
stu[1]=new student("學生乙",83);
stu[2]=new student("學生丙",66);
stu[3]=new student("學生丁",88);
stu[4]=new student("學生戊",65);
int sum=0;

for(int i=0;i<=4;i++)
sum=sum+stu[i].score;
float ave=(float)sum/5;
System.out.println(ave);

for(int i=0;i<=4;i++){
if(stu[i].score<60)
System.out.println(stu[i].name);
}
}
}; 2011年6月16日下午3:40
B9933066 提到...: class student{
String name;
int score;
student(String name,int score){
this.name=name;
this.score=score;
}
}
class Ex4{
public static void main(String []args){
student stu[]=new student[5];
stu[0]=new student("學生甲",54);
stu[1]=new student("學生乙",83);
stu[2]=new student("學生丙",66);
stu[3]=new student("學生丁",88);
stu[4]=new student("學生戊",65);
int sum=0;
for(int i=0;i<=4;i++)
sum=sum+stu[i].score;
float av=(float)sum/5;
System.out.println(av);
for(int s=0;s<=4;s++){
if(stu[s].score<60)
System.out.println(stu[s].name);
}
}
}; 2011年6月16日下午3:41
B9933106 提到...: class student{
String name;
int score;
student(String name,int score){
this.name=name;
this.score=score;
}
}
class Ex4{
public static void main(String [] argv){
student stu[]=new student[5];
stu[0]=new student("學生甲",54);
stu[1]=new student("學生乙",83);
stu[2]=new student("學生丙",66);
stu[3]=new student("學生丁",88);
stu[4]=new student("學生戊",65);
int sum=0;

for(int i=0;i<=4;i++)
sum=sum+stu[i].score;
float ave=(float)sum/5;
System.out.println(ave);

for(int i=0;i<=4;i++){
if(stu[i].score<60)
System.out.println(stu[i].name);
}
}
}; 2011年6月16日下午3:44
B9933068 提到...: class student
{
String name;
int score;
student(String name,int score)
{
this.name=name;
this.score=score;
}
}
class EX4
{

public static void main(String [] argv)
{
student stu[]=new student[5];
stu[0]=new student("學生甲",54);
stu[1]=new student("學生乙",83);
stu[2]=new student("學生丙",66);
stu[3]=new student("學生丁",88);
stu[4]=new student("學生戊",65);
int sum=0;
for(int i=0;i<=4;i++)
sum=sum+stu[i].score;
float average=(float)sum/5;
System.out.println(average);

for(int i=0;i<=4;i++)
{
if (stu[i].score<60)
System.out.println(stu[i].name);
}

}
}; 2011年6月16日下午3:45
b9933075 提到...: class student{
String name;
int score;
student(String name,int score){
this.name=name;
this.score=score;
}
}
class ex4 {
public static void main(String[]arg){
student stu[]=new student[5];
stu[0]=new student("學生甲",54);
stu[1]=new student("學生乙",83);
stu[2]=new student("學生丙",66);
stu[3]=new student("學生丁",88);
stu[4]=new student("學生戊",65);
int sum=0;
float average;
for(int i=0;i<=4;i++){
sum=sum+stu[i].score;
if(stu[i].score<60)
System.out.println(stu[i].name);
}
average=(float)sum/5;
System.out.println("平均:"+average);
}
}; 2011年6月16日晚上10:31
B9933072 提到...: class student{
String name;
int score;
student(String name,int score){
this.name=name;
this.score=score;
}
}
class Ex4{
public static void main(String [] argv){
student stu[]=new student[5];
stu[0]=new student("學生甲",54);
stu[1]=new student("學生乙",83);
stu[2]=new student("學生丙",66);
stu[3]=new student("學生丁",88);
stu[4]=new student("學生戊",65);
int sum=0;

for(int i=0;i<=4;i++)
sum=sum+stu[i].score;
float ave=(float)sum/5;
System.out.println(ave);

for(int i=0;i<=4;i++){
if(stu[i].score<60)
System.out.println(stu[i].name);
}
}
}; 2011年6月17日凌晨12:21
B9933116 提到...: class student{
String name;
int score;
student(String name,int score){
this.name=name;
this.score=score;

}
}
class Ex4{
public static void main(String []args){
student stu[]=new student[5];
stu[0]=new student("學生甲",54);
stu[1]=new student("學生乙",83);
stu[2]=new student("學生丙",66);
stu[3]=new student("學生丁",88);
stu[4]=new student("學生戊",65);
int sum=0;
for(int i=0;i<=4;i++)
sum=sum+stu[i].score;
float av=(float)sum/5;
System.out.println("平均分數："+av+"分");
for (int i=0;i<=4;i++){
if (stu[i].score<60)
System.out.print("不及格有："+stu[i].name);
}
}
}; 2011年6月23日下午2:44