diff --git a/core-java/src/main/java/com/baeldung/array/SearchArrayTest.java b/core-java/src/main/java/com/baeldung/array/SearchArrayTest.java index 8b44138b32..199ebdf036 100644 --- a/core-java/src/main/java/com/baeldung/array/SearchArrayTest.java +++ b/core-java/src/main/java/com/baeldung/array/SearchArrayTest.java @@ -10,78 +10,60 @@ import java.util.concurrent.TimeUnit; @OutputTimeUnit(TimeUnit.MICROSECONDS) public class SearchArrayTest { + @State(Scope.Benchmark) + public static class SearchData { + static int count = 1000; + static String[] strings = seedArray(1000); + } + + @Benchmark public void searchArrayLoop() { - - int count = 1000; - String[] strings = seedArray(count); - for (int i = 0; i < count; i++) { - searchLoop(strings, "T"); + for (int i = 0; i < SearchData.count; i++) { + searchLoop(SearchData.strings, "T"); } } @Benchmark public void searchArrayAllocNewList() { - - int count = 1000; - String[] strings = seedArray(count); - for (int i = 0; i < count; i++) { - searchList(strings, "W"); + for (int i = 0; i < SearchData.count; i++) { + searchList(SearchData.strings, "T"); } } @Benchmark public void searchArrayAllocNewSet() { - - int count = 1000; - String[] strings = seedArray(count); - for (int i = 0; i < count; i++) { - searchSet(strings, "S"); + for (int i = 0; i < SearchData.count; i++) { + searchSet(SearchData.strings, "T"); } } @Benchmark public void searchArrayReuseList() { - - int count = 1000; - String[] strings = seedArray(count); - - List asList = Arrays.asList(strings); - - for (int i = 0; i < count; i++) { - asList.contains("W"); + List asList = Arrays.asList(SearchData.strings); + for (int i = 0; i < SearchData.count; i++) { + asList.contains("T"); } } @Benchmark public void searchArrayReuseSet() { - - int count = 1000; - String[] strings = seedArray(count); - Set asSet = new HashSet<>(Arrays.asList(strings)); - for (int i = 0; i < count; i++) { - asSet.contains("S"); + Set asSet = new HashSet<>(Arrays.asList(SearchData.strings)); + for (int i = 0; i < SearchData.count; i++) { + asSet.contains("T"); } } @Benchmark public void searchArrayBinarySearch() { - - int count = 1000; - String[] strings = seedArray(count); - Arrays.sort(strings); - - long startTime = System.nanoTime(); - for (int i = 0; i < count; i++) { - Arrays.binarySearch(strings, "A"); + Arrays.sort(SearchData.strings); + for (int i = 0; i < SearchData.count; i++) { + Arrays.binarySearch(SearchData.strings, "T"); } - long duration = System.nanoTime() - startTime; - //System.out.println("Binary search: " + duration / 10000); - } private boolean searchList(String[] strings, String searchString) { @@ -101,8 +83,7 @@ public class SearchArrayTest { return false; } - private String[] seedArray(int length) { - + private static String[] seedArray(int length) { String[] strings = new String[length]; Random random = new Random(); for (int i = 0; i < length; i++)