public static void main(String[] args){
int [] numbers = new int[5];
int count = 0;
Scanner userInput = new Scanner(System.in);
while(count < 4){
for(int index = 0; index < numbers.length; index++ ){
//Getting numbers from user
System.out.print("Enter 5 numbers: ");
numbers[index] = userInput.nextInt();
//Printing Array
System.out.println(Arrays.toString(numbers) + "\n");
int temp ;
temp = numbers[index];
//SETS temp TO PREVIOUS NUMBER[i]
for(int i = 1; i < numbers.length;){
temp = numbers[i -1];
if (numbers[i] == temp){
System.out.println(temp + " Has already been entered");
}
i++;
}
count++;
}
if(userInput != null) {
userInput.close();
}
}
}
}
Output when you enter the values : 2,2,3,3,4
Enter 5 numbers: 2
[2, 0, 0, 0, 0]
0 Has already been entered
0 Has already been entered
0 Has already been entered
Enter 5 numbers: 2
[2, 2, 0, 0, 0]
2 Has already been entered
0 Has already been entered
0 Has already been entered
Enter 5 numbers: 3
[2, 2, 3, 0, 0]
2 Has already been entered
0 Has already been entered
Enter 5 numbers: 3
[2, 2, 3, 3, 0]
2 Has already been entered
3 Has already been entered
Enter 5 numbers: 4
[2, 2, 3, 3, 4]
2 Has already been entered
3 Has already been entered
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