public class ManageHeight {
int[][] gradeHeights;
public static void main(String[] args) {
ManageHeight manage=new ManageHeight();
manage.setData();
/* for(int i=1;i<6;i++) {
manage.printHeight(i);*/
int i=1;
while(i<6) {
manage.printAverage(i);
i++;
}
}
public void setData(){
gradeHeights = new int[5][];
gradeHeights[0]= new int[]{170, 180, 173, 175, 177};
gradeHeights[1]= new int[]{160, 165, 167, 186};
gradeHeights[2]= new int[]{158, 177, 187, 176};
gradeHeights[3]= new int[]{173, 182, 181};
gradeHeights[4]= new int[]{170, 180, 165, 177, 172};
}
public void printHeight(int classNo){
System.out.println("Class No.:"+classNo);
for(int heights:gradeHeights[classNo-1]) {
System.out.println(heights);
}
}
public void printAverage(int classNo) {
double sum=0.0;
double average=0.0;
System.out.println("Class No.:"+classNo);
for(int heights:gradeHeights[classNo-1]) {
sum+=heights;
}
average=sum/gradeHeights[classNo-1].length;
System.out.println(average);
}
}
public class Student {
String name;
String address;
String phone;
String email;
public Student(String name) {
this.name = name;
}
public Student(String name, String address, String phone, String email) {
this.name = name;
this.address = address;
this.phone = phone;
this.email = email;
}
public String toString() {
return name+" "+address+" "+phone+" "+email;
}
}
public class ManageStudent {
public static void main(String[] args) {
Student[] student;
ManageStudent manage = new ManageStudent();
student = manage.addStudent();
manage.printStudents(student);
}
public Student[] addStudent() {
Student[] student = new Student[3];
student[0] = new Student("Lim");
student[1] = new Student("Min");
student[2] = new Student("Sook","Seoul","0101010101","asd@asdh.com");
return student;
}
public void printStudents(Student[] student){
for(Student std : student){
System.out.println(std.toString());
}
}
}
