Java – fill an array using java.util.Arrays

import java.util.Arrays;

public class Main {
  public static void main(String[] args) {
    int[] arr = new int[10];
    Arrays.fill(arr, 1);
    for (int v: arr) {
      System.out.println(v);
    }
  }
}

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import java.util.Arrays;

public class Main2 {
  public static void main(String[] args) {
    int[] arr = new int[10];
    Arrays.fill(arr, 1);
    Arrays.fill(arr, 0, 5, 2); // fill first five values with 2
    for (int v: arr) {
      System.out.println(v);
    }
  }
}

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