영상
개념
package 클래스배열2_개념;
class Member{
int number;
String id;
String pw;
String name;
int score;
}
public class 클래스배열2_개념01_기본이론1 {
public static void main(String[] args) {
String data1 = "1001/1234/qwer/김철수/10";
String[] dataList1 = {"1001", "1234", "qwer", "김철수", "10"};
Member member = new Member();
member.number = 1001;
member.id = "qwer";
member.pw = "1234";
member.name = "김철수";
member.score = 10;
//-------------------------------------------------
String data2 = "";
data2 +="1001/qwer/1234/김철수/10\n";
data2 += "1002/asdf/2345/이영희/30";
String[][] dataList2 ={
{"1001" , "qwer" ,"1234", "김철수" , "10"},
{"1002" , "asdf" ,"2345", "이영희" , "30"},
};
int[] arr = new int[2];
// 클래스 = 사용자 정의 데이터 타입
Member[] memberList = new Member[2];
System.out.println(memberList[0]);
System.out.println(memberList[1]);
Member m1 = new Member();
m1.number = 1001;
m1.id = "qwer";
m1.pw = "1234";
m1.name = "김철수";
m1.score = 10;
memberList[0] = m1;
Member m2 = new Member();
m2.number = 1002;
m2.id = "asdf";
m2.pw = "2345";
m2.name = "이영희";
m2.score = 30;
memberList[1] = m2;
System.out.println(arr);
for(int i=0; i<memberList.length; i++) {
System.out.println(memberList[i].name);
}
}
}
Java
복사
