A binary search implementation. : Sort Search « Collections Data Structure « Java

A binary search implementation.

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// ----------------------------------------------------------------------------
 * A binary search implementation.
public class BinarySearch {

  public int find(final int[] data, final int key) {
    int low = 0, high = data.length - 1;

    while (low <= high) {
      final int i = (low + high) >> 1;
      final int v = data[i];

      if (v == key)
        return i; // this line does not get covered unless there is a match
      else if (v < key)
        low = i + 1;
        // v > key
        high = i - 1;

    return -1;



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