DeckOfCards

public class DeckOfCards {
public static void main(String args[]){
int [] deck=new int[52];

String []suits={"Spades","Hearts","Diamonds","Clubs"};
String []ranks={"Ace","1","2","3","4","5","6","7","8","9","10","Jack","Queen","King"};


for(int i=0;i<deck.length;i++){
deck[i]=i;
}

for(int i=0;i<deck.length;i++){

int index=(int)(Math.random()*deck.length);
int temp=deck[i];
deck[i]=deck[index];
deck[index]=temp;
}

for(int i=0;i<4;i++){
String suit=suits[deck[i]/13];
String rank=ranks[deck[i]%13];
System.out.println("Card number "+deck[i]+":"+rank+" of "+suit);

}







}
}

RepeatAddition(Guess Game)

import java.util.*;

public class RepeatAddition{
public static void main(String args[]){
int i=(int)(Math.random()*100);
int j=(int)(Math.random()*100);

Scanner input=new Scanner(System.in);

System.out.println("What is " + i +"+"+ j +"?");

int answer=input.nextInt();

while(i + j != answer){
System.out.println("Wrong answer try again.What is " + i+ "+" + j + "?");
answer=input.nextInt();
}
System.out.println("Correct answer");


}

}