import java.util.Arrays;

public class Sample {
    public static void main(String[] args) {

        int[] arr = new int[10];
        Arrays.fill(arr, 2);
        // [2, 2, 2, 2, 2, 2, 2, 2, 2, 2]

        boolean[] booleanArr = new boolean[10];
        Arrays.fill(booleanArr, true);
        // [true, true, true, true, true, true, true, true, true, true]
        
    }
}