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  1. Prepare
  2. Tutorials
  3. 30 Days of Code
  4. Day 21: Generics
  5. Discussions

Day 21: Generics

  • gangaramyadav
     + 0 comments

    import java.util.*;

    public class Solution { public static void main(String[] args) { Scanner sc = new Scanner(System.in);

        while (sc.hasNextInt()) {
        int t = sc.nextInt();

        // Peek the next token to check if it is an int
        if (sc.hasNextInt()) {
            Integer[] arr = new Integer[t];
            for (int i = 0; i < t; i++) {
                if (sc.hasNextInt()) {
                    arr[i] = sc.nextInt();
                }
            }
            printArray(arr);
        } else {
            String[] arr = new String[t];
            for (int i = 0; i < t; i++) {
                if (sc.hasNext()) {
                    arr[i] = sc.next();
                }
            }
            printArray(arr);
        }
    }

    sc.close();
}

public static <T> void printArray(T[] array) {
    for (T item : array) {
        System.out.println(item);
    }
}

    }