Arraylist無(wú)法添加
打印輸出后，撲克牌所有的數(shù)據(jù)都是null……哪里不對(duì)啊:(
卷枕頭
2017-11-18
3 回答
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2017-11-19
public class Game {
? ?Player1 aa = new Player1();
? ?Player2 bb = new Player2();
? ?public static List<Card> Cards = new ArrayList<Card>();
public void CardsTest() {
?
?System.out.println("------------創(chuàng)建撲克牌-------------");
?
?for(int i=0;i<4;i++) {
?
if(i==0) {
?for(int j=1;j<14;j++) {
if(j==1) {
Card cr1 =new Card("黑桃","A");
Cards.add(cr1);
}else if(j==2) {
Card cr1 =new Card("黑桃","2");
Cards.add(cr1);
Card temp = (Card) Cards.get(0);
?}else if(j==3) {
Card cr1 =new Card("黑桃","3");Cards.add(cr1);
?}else if(j==4) {
?Card cr1 =new Card("黑桃","4");Cards.add(cr1);
?}else if(j==5) {
?Card cr1 =new Card("黑桃","5");Cards.add(cr1);
?}else if(j==6) {
?Card cr1 =new Card("黑桃","6");Cards.add(cr1);
?}else if(j==7) {
?Card cr1 =new Card("黑桃","7");Cards.add(cr1);
?}else if(j==8) {
?Card cr1 =new Card("黑桃","8");Cards.add(cr1);
?}else if(j==9) {
?Card cr1 =new Card("黑桃","9");Cards.add(cr1);
?}else if(j==10) {
?Card cr1 =new Card("黑桃","10");Cards.add(cr1);
?}else if(j==11) {
?Card cr1 =new Card("黑桃","J");Cards.add(cr1);
?}else if(j==12) {
?Card cr1 =new Card("黑桃","Q");Cards.add(cr1);
?}else if(j==13) {
?Card cr1 =new Card("黑桃","k");Cards.add(cr1);
?}
? }
沒(méi)有加進(jìn)去，打印出來(lái)都是null
2017-11-19
額好像不是 我再看看 ?能貼一下打印的代碼嗎？
2017-11-19
static