자바 인자 전달 소스

잘 이해도 안되는 부분이 있어서 나중에 볼려고 올림

import java.util.*;
class ArgDelivery1
//값에 의한 전달
/*
{
 public static void main(String[] args)
 {
  int a=2, b=3, c=6, d=10, e=5, f=7;
  Disp(a, b, c, d, e, f);
 }
 public static void Disp(int i, int j, int k, int l, int m, int n){
  System.out.println(i + "," + j + "," + k + "," + l + "," + m + "," + n + ",");
 }
}
*/

//주소에 의한 전달
/*
{
 public static void main(String[] args)
 {
  int[] arr = {2, 3, 6, 10, 5, 7};
  Disp(arr);
 }

 public static void Disp(int[] arr1){
  for(int i=0; i<arr1.length; i++)
   System.out.print(arr1[i] + ",");
 }
}
*/

//주소에 의한 전달 2차원 배열
/*
{
 public static void main(String[] args)
 {
  int[][] arr ={ {2, 3}, {6, 10}, {5, 7}};
 
  Disp(arr);
 }

 public static void Disp(int[][] arr1){
  for(int i=0; i<arr1.length; i++)
   for(int j=0; j<arr1[i].length; j++)
   System.out.print(arr1[i][j] + ",");
 }
}
*/

//데이터의 자료형이 다를 경우
/*
{
 public static void main(String[] args)
 {
  String name = "홍길동";
  int age = 24;
  double pay = 1000000;
  boolean marry = false;
 
  Disp(name, age, pay, marry);
 }

 public static void Disp(String n, int a, double p, boolean m){
  System.out.print(n + "," + a + "," + p + "," + m);
 }
}
*/

//클래스로
/*
{
 public static void main(String[] args)
 {
  ArgDemo ad = new ArgDemo("홍길동",24,1000000,false);
 
  ad.Disp();
 }
}
class ArgDemo
{
 String name;
 int age;
 double pay;
 boolean marry;

 ArgDemo(String name, int age, double pay, boolean marry)
 {
  this.name = name;
  this.age = age;
  this.pay = pay;
  this.marry = marry;
 }
 public void Disp(){
  System.out.print(name + "," + age + "," + pay + "," + marry);
 }
}
*/

//Collection으로
/*
{
 public static void main(String[] args)
 {
  Vector vec = new Vector();

  vec.add("홍길동");
  vec.add(24);
  vec.add(1000000);
  vec.add(false);

  Disp(vec);
 }
 public static void Disp(Vector vec){
  for(int i=0; i<vec.size(); i++)
   System.out.print(vec.get(i) + ",");
 }
}
*/

//클래스와 Collection을 복합적으로
{
 public static void main(String[] args)
 {
  ArgDemo ar = new ArgDemo();

  Vector vec = new Vector();
  vec.addElement(ar);

  Disp(vec);
 }
 public static void Disp(Vector vec1){
  ArgDemo ar = (ArgDemo)vec1.elementAt(0);
  System.out.print(ar.name + "," + ar.age + "," + ar.pay + "," + ar.marry);
 }
}
class ArgDemo
{
 String name= "홍길동";
 int age = 24;
 double pay = 1000000;
 boolean marry = false;
}