diff --git a/Searches/src/search/BinarySearch.java b/Searches/src/search/BinarySearch.java index c560ca1a1..239bc98c6 100644 --- a/Searches/src/search/BinarySearch.java +++ b/Searches/src/search/BinarySearch.java @@ -2,7 +2,8 @@ package search; import java.util.Arrays; import java.util.Random; -import java.util.stream.Stream; +import java.util.concurrent.ThreadLocalRandom +import java.util.stream.IntStream; import static java.lang.String.format; @@ -70,23 +71,24 @@ class BinarySearch implements SearchAlgorithm { // Driver Program public static void main(String[] args) { - - //just generate data - Random r = new Random(); + // Just generate data + Random random = ThreadLocalRandom.current(); + int size = 100; int maxElement = 100000; - Integer[] integers = Stream.generate(() -> r.nextInt(maxElement)).limit(size).sorted().toArray(Integer[]::new); + + int[] integers = IntStream.generate(() -> r.nextInt(maxElement)).limit(size).sorted().toArray(); - - //the element that should be found - Integer shouldBeFound = integers[r.nextInt(size - 1)]; + // The element that should be found + int shouldBeFound = integers[r.nextInt(size - 1)]; BinarySearch search = new BinarySearch(); int atIndex = search.find(integers, shouldBeFound); - System.out.println(String.format("Should be found: %d. Found %d at index %d. An array length %d" - , shouldBeFound, integers[atIndex], atIndex, size)); - + System.out.println(format( + "Should be found: %d. Found %d at index %d. An array length %d", + shouldBeFound, integers[atIndex], atIndex, size + )); int toCheck = Arrays.binarySearch(integers, shouldBeFound); System.out.println(format("Found by system method at an index: %d. Is equal: %b", toCheck, toCheck == atIndex));