Import java.util. *;
Common class point {
Static int h =1; Static int g =1; Static int f = 0；; Static int fenshu = 0；; int m 1 = 0； int n = 0； Static int e = 0；; Static int d = 0；; //d represents the sum of home completion points.
Static string pai[]={ "hearts", "spades", "hearts" and "grass flowers"};
static int shu[]={ 1，2，3，4，5，6，7，8，9， 10， 1 1， 12， 13 }；
Public static int Qu Zhi ()
{
int m 1 =(int)( 13 * math . random()+ 1)；
Returns m1;
}
public static int quzhi2()
{
int n =(int)(4 * math . random()+ 1)；
Returns n;
}
Public static void choupai()// Players draw cards.
{
Int m = Shu[ Qu Zhi ()];
system . out . println(pai[qu zhi 2()]+m)；
If (m>10) m =1;
system . out . println(" points "+m)；
d = m+d；
System.out.println ("player's total score"+d);
if(d & gt； 2 1) {System.out.println ("you lost"); g = 0； }
}
Public static void choupai1()/The dealer draws cards.
{
Int m = Shu[ Qu Zhi ()];
system . out . println(pai[qu zhi 2()]+m)；
If (m>10) m =1;
system . out . println(" points "+m)；
e = m+e；
System.out.println ("total banker points"+e);
if(d & gt； 2 1) {System.out.println ("You win"); f = 1； h = 0； }
}
Public static void main(String[] args) throws IOException {
Chou pai()；
Chou pai 1()；
Chou pai()；
Chou pai 1()；
Scanner in = new scanner (system. in);
System.out.println ("Please press1"for another card);
int b = in . nextint()； //receive shaping data
if(b = = 1){ Chou pai()； }
if(g== 1){
Scanner in2 = new scanner (system. in);
System.out.println ("Please press1"for the dealer to play another card);
int b 1 = in2 . nextint()； //receive shaping data
if(b 1 = = 1){ Chou pai 1()； } else h = 0； }
if(g== 1){
Scanner in 1 = new scanner (system. in);
System.out.println ("Please press 2 for another card");
int c = in 1 . nextint()； //receive shaping data
if(c = = 2)choupai()；
else if(d & gt； E& & amp<21) {system. out.println ("player wins"); f = 1； }
Else System.out.println ("you lost"); }
if(h = = 1 & amp； & ampg== 1){
Scanner in3 = new scanner (system. in);
System.out.println ("Please press 2 for the dealer to play another card");
int c 1 = in3 . nextint()； //receive shaping data
if(c 1 = = 2)Chou pai 1()；
If (e & gtD) {System.out.println ("you lost"); }
Else {System.out.println ("You are dead meat"); f = 1； }}
if(f = = 1)fenshu = fenshu+5；
System.out.println ("Your score is"+fenshu);
f = 0； g = 1；
}
}
Simple version of two people, no king of size. Wait for the master to answer.