Array sort and insert
import java.util.Arrays;
public class MainClass
{
public static void main(String args[]) throws Exception
{
int array[] = { 2, 5, -2, 6, -3, 8, 0, -7, -9, 4 };
Arrays.sort(array);
printArray("Sorted array", array);
int index = Arrays.binarySearch(array, 1);
System.out.println("Didn't find 1 @ "+ index);
int newIndex = -index - 1;
array = insertElement(array, 1, newIndex);
printArray("With 1 added", array);
}
private static void printArray(String message, int array[])
{
System.out.println(message
+ ": [length: " + array.length + "]");
for (int i = 0; i < array.length; i++)
{
if (i != 0)
{
System.out.println(", ");
}
System.out.println(array[i]);
}
System.out.println();
}
private static int[] insertElement(int original[],
int element, int index)
{
int length = original.length;
int destination[] = new int[length + 1];
System.arraycopy(original, 0, destination, 0, index);
destination[index] = element;
System.arraycopy(original, index, destination, index+ 1, length - index);
return destination;
}
}
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