java初学--数组

import java.sql.Array;public class NEW {    class MyDate {    int i,j,k;}public static void main(String[] args){int []a=new int[3];//引用int []b=new int[]{3,9,8};int []ages={3,9,8};a[0]=3;a[1]=9;a[2]=8;MyDate []dates=new MyDate[3];//dates[0]=new MyDate(22,7,1964);//dates[1]=new MyDate(1,1,2000);//dates[2]=new MyDate(22,12,1964);for(int i=0;i<a.length;i++){System.out.print(a[i]+" ");}System.out.println();for(int age:ages){System.out.print(age+" ");}System.out.println();int []source ={1,2,3,4,5,6};int []dest={10,9,8,7,6,5,4,3,2,1};for(int cnt1:dest){System.out.print(cnt1+" ");}System.out.println();System.arraycopy(source,0,dest,0,source.length);//复制源数组中从下标0开始的source.length个元素到目的数组，从下标0开始存储for(int cnt:dest){System.out.print(cnt+" ");}System.out.println();}}

int [][]dp=new int[n+1][n+1];