package collection;
import java.util.Arrays;
public class Test2 {
public static void main(String[] args) {
int a = 1;
String str = "hello";
Point p = new Point(1,2);
String[] arr = {"one","two","three",str};
int[] arr1 = {1,2,3,4,a};
Point[] arr2 = {new Point(1,2),new Point(3,4),new Point(5,6),p};
dosome(a,str,p,arr,arr1,arr2);
System.out.println("a:"+a);
System.out.println("str:"+str);//hello
System.out.println("p:"+p);
System.out.println("arr:"+Arrays.toString(arr));
System.out.println("arr1:"+Arrays.toString(arr1));
System.out.println("arr2:"+Arrays.toString(arr2));
}
public static void dosome(int a,String str,Point p,String[] arr,int[] arr1,Point[] arr2) {
arr1[a] = 3;//arr1[1]=3
arr[a] = "str";
arr[a+1] = str;
str = "world";
str = arr[2];
str+="!!";
p.setX(4);
p = arr2[2];
p.setX(6);
arr2 = Arrays.copyOf(arr2, arr2.length-1);
arr2[2].setX(8);
arr2 = new Point[]{new Point(2,2),p};
arr2[arr2.length-1].setX(12);
}
}
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