ArraysDemo.java Source code

Introduction

Here is the source code for ArraysDemo.java

Source

import java.util.Arrays;

class ArraysDemo {
    public static void main(String args[]) {
        int array[] = new int[10];
        for (int i = 0; i < 10; i++)
            array[i] = -3 * i;

        display(array);
        Arrays.sort(array);
        System.out.print("Sorted: ");
        display(array);

        // Fill and display the array.
        Arrays.fill(array, 2, 6, -1);
        System.out.print("After fill(): ");
        display(array);

        // Sort and display the array.
        Arrays.sort(array);
        System.out.print("After sorting again: ");
        display(array);

        // Binary search for -9.
        System.out.print("The value -9 is at location ");
        int index = Arrays.binarySearch(array, -9);

        System.out.println(index);
    }

    static void display(int array[]) {
        for (int i : array)
            System.out.print(i + " ");

        System.out.println();
    }
}