linkedhashset

.idea/workspace.xml

@@ -2,6 +2,7 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="3455511b-a100-4bbd-b07c-68f009bc8dbc" name="Default" comment="">
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/arraz/src/main/java/Arraz.java" beforeDir="false" afterPath="$PROJECT_DIR$/arraz/src/main/java/Arraz.java" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/arraz/src/test/java/ArrazTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/arraz/src/test/java/ArrazTest.java" afterDir="false" />
     </list>
@@ -22,13 +23,14 @@
       </usages-collector>
       <usages-collector id="statistics.file.types.edit">
         <counts>
-          <entry key="JAVA" value="7260" />
+          <entry key="JAVA" value="7562" />
           <entry key="XML" value="3" />
         </counts>
       </usages-collector>
       <usages-collector id="statistics.file.types.open">
         <counts>
-          <entry key="JAVA" value="3" />
+          <entry key="CLASS" value="1" />
+          <entry key="JAVA" value="4" />
           <entry key="XML" value="3" />
         </counts>
       </usages-collector>
@@ -36,11 +38,11 @@
   </component>
   <component name="FileEditorManager">
     <leaf SIDE_TABS_SIZE_LIMIT_KEY="375">
-      <file pinned="false" current-in-tab="false">
+      <file pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/arraz/src/test/java/ArrazTest.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="334">
-              <caret line="231" column="49" lean-forward="true" selection-start-line="231" selection-start-column="49" selection-end-line="231" selection-end-column="49" />
+            <state relative-caret-position="167">
+              <caret line="224" column="52" selection-start-line="224" selection-start-column="52" selection-end-line="224" selection-end-column="52" />
               <folding>
                 <element signature="imports" expanded="true" />
                 <element signature="e#4388#4389#0" expanded="true" />
@@ -50,14 +52,20 @@
           </provider>
         </entry>
       </file>
-      <file pinned="false" current-in-tab="true">
+      <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/arraz/src/main/java/Arraz.java">
           <provider selected="true" editor-type-id="text-editor">
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-              <folding>
-                <element signature="imports" expanded="true" />
-              </folding>
+            <state relative-caret-position="313">
+              <caret line="127" lean-forward="true" selection-start-line="127" selection-end-line="127" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="jar:///Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/src.zip!/java/util/Set.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="386">
+              <caret line="189" column="17" selection-start-line="189" selection-start-column="17" selection-end-line="189" selection-end-column="17" />
             </state>
           </provider>
         </entry>
@@ -207,7 +215,7 @@
     <property name="GO_FMT" value="false" />
     <property name="WebServerToolWindowFactoryState" value="false" />
     <property name="aspect.path.notification.shown" value="true" />
-    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1544139093969" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1544188738035" />
     <property name="com.intellij.testIntegration.createTest.CreateTestDialog.defaultLibrary" value="JUnit4" />
     <property name="jdk.selected.JAVA_MODULE" value="1.8" />
     <property name="last_opened_file_path" value="$PROJECT_DIR$" />
@@ -358,7 +366,7 @@
       <workItem from="1543955862749" duration="2347000" />
       <workItem from="1543958998826" duration="113000" />
       <workItem from="1544020724645" duration="762000" />
-      <workItem from="1544046933389" duration="20210000" />
+      <workItem from="1544046933389" duration="22466000" />
     </task>
     <task id="LOCAL-00001" summary="readme and docs">
       <created>1544021313039</created>
@@ -371,39 +379,39 @@
     <servers />
   </component>
   <component name="TestHistory">
-    <history-entry file="ArrazTest_testInsertArrayAt2 - 2018.12.06 at 16h 08m 11s.xml">
-      <configuration name="ArrazTest.testInsertArrayAt2" configurationId="JUnit" />
+    <history-entry file="ArrazTest_testRemoveDupesFromArray2 - 2018.12.06 at 18h 33m 05s.xml">
+      <configuration name="ArrazTest.testRemoveDupesFromArray2" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_testInsertArrayAt1 - 2018.12.06 at 16h 08m 38s.xml">
-      <configuration name="ArrazTest.testInsertArrayAt1" configurationId="JUnit" />
+    <history-entry file="ArrazTest_testRemoveDupesFromArray2 - 2018.12.06 at 18h 33m 50s.xml">
+      <configuration name="ArrazTest.testRemoveDupesFromArray2" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_testInsertArrayAt2 - 2018.12.06 at 16h 08m 41s.xml">
-      <configuration name="ArrazTest.testInsertArrayAt2" configurationId="JUnit" />
+    <history-entry file="ArrazTest_testRemoveDupesFromArray2 - 2018.12.06 at 18h 33m 59s.xml">
+      <configuration name="ArrazTest.testRemoveDupesFromArray2" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_testInsertArrayAt1 - 2018.12.06 at 16h 11m 02s.xml">
-      <configuration name="ArrazTest.testInsertArrayAt1" configurationId="JUnit" />
+    <history-entry file="ArrazTest_testRemoveDupesFromArray2 - 2018.12.06 at 18h 34m 13s.xml">
+      <configuration name="ArrazTest.testRemoveDupesFromArray2" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_testInsertArrayAt1 - 2018.12.06 at 16h 11m 14s.xml">
-      <configuration name="ArrazTest.testInsertArrayAt1" configurationId="JUnit" />
+    <history-entry file="ArrazTest_testRemoveDupesFromArray2 - 2018.12.06 at 18h 35m 05s.xml">
+      <configuration name="ArrazTest.testRemoveDupesFromArray2" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_testInsertArrayAt2 - 2018.12.06 at 16h 11m 17s.xml">
-      <configuration name="ArrazTest.testInsertArrayAt2" configurationId="JUnit" />
+    <history-entry file="ArrazTest_testRemoveDupesFromArray2 - 2018.12.07 at 07h 58m 33s.xml">
+      <configuration name="ArrazTest.testRemoveDupesFromArray2" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_testCopyArrayByIterator1 - 2018.12.06 at 16h 59m 54s.xml">
-      <configuration name="ArrazTest.testCopyArrayByIterator1" configurationId="JUnit" />
+    <history-entry file="ArrazTest_testRemoveDupesFromArray2 - 2018.12.07 at 08h 12m 08s.xml">
+      <configuration name="ArrazTest.testRemoveDupesFromArray2" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_testCopyArrayByIterator2 - 2018.12.06 at 16h 59m 57s.xml">
-      <configuration name="ArrazTest.testCopyArrayByIterator2" configurationId="JUnit" />
+    <history-entry file="ArrazTest_testRemoveDupesFromArray1 - 2018.12.07 at 08h 12m 26s.xml">
+      <configuration name="ArrazTest.testRemoveDupesFromArray1" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_testFindMaxMinOfArray1 - 2018.12.06 at 18h 11m 28s.xml">
-      <configuration name="ArrazTest.testFindMaxMinOfArray1" configurationId="JUnit" />
+    <history-entry file="ArrazTest_testRemoveDupesFromArray2 - 2018.12.07 at 08h 15m 25s.xml">
+      <configuration name="ArrazTest.testRemoveDupesFromArray2" configurationId="JUnit" />
     </history-entry>
-    <history-entry file="ArrazTest_testFindMaxMinOfArray2 - 2018.12.06 at 18h 11m 30s.xml">
-      <configuration name="ArrazTest.testFindMaxMinOfArray2" configurationId="JUnit" />
+    <history-entry file="ArrazTest_testRemoveDupesFromArray1 - 2018.12.07 at 08h 15m 32s.xml">
+      <configuration name="ArrazTest.testRemoveDupesFromArray1" configurationId="JUnit" />
     </history-entry>
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="23432000" />
+    <option name="totallyTimeSpent" value="25688000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="1" y="23" width="1440" height="807" extended-state="0" />
@@ -457,19 +465,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/arraz/src/main/java/OddEven.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state>
-          <caret column="22" selection-start-column="22" selection-end-column="22" />
-          <folding>
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-          </folding>
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/arraz/src/main/java/MaxMin.java">
       <provider selected="true" editor-type-id="text-editor">
         <state>
@@ -487,18 +482,33 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/arraz/src/test/java/ArrazTest.java">
+    <entry file="jar://$MAVEN_REPOSITORY$/junit/junit/4.12/junit-4.12.jar!/org/junit/internal/runners/model/ReflectiveCallable.class">
       <provider selected="true" editor-type-id="text-editor">
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-          <caret line="231" column="49" lean-forward="true" selection-start-line="231" selection-start-column="49" selection-end-line="231" selection-end-column="49" />
+        <state relative-caret-position="210">
+          <caret line="17" selection-start-line="17" selection-end-line="17" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/arraz/src/main/java/OddEven.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state>
+          <caret column="22" selection-start-column="22" selection-end-column="22" />
           <folding>
-            <element signature="imports" expanded="true" />
-            <element signature="e#4388#4389#0" expanded="true" />
-            <element signature="e#4411#4412#0" expanded="true" />
+            <element signature="e#189#190#0" expanded="true" />
+            <element signature="e#215#216#0" expanded="true" />
+            <element signature="e#308#309#0" expanded="true" />
+            <element signature="e#335#336#0" expanded="true" />
           </folding>
         </state>
       </provider>
     </entry>
+    <entry file="jar:///Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/src.zip!/java/util/Set.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="386">
+          <caret line="189" column="17" selection-start-line="189" selection-start-column="17" selection-end-line="189" selection-end-column="17" />
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/README.md">
       <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
         <state split_layout="SPLIT">
@@ -511,10 +521,19 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/arraz/src/main/java/Arraz.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="359">
-          <caret line="130" column="26" selection-start-line="130" selection-start-column="26" selection-end-line="130" selection-end-column="26" />
+        <state relative-caret-position="313">
+          <caret line="127" lean-forward="true" selection-start-line="127" selection-end-line="127" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/arraz/src/test/java/ArrazTest.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="167">
+          <caret line="224" column="52" selection-start-line="224" selection-start-column="52" selection-end-line="224" selection-end-column="52" />
           <folding>
             <element signature="imports" expanded="true" />
+            <element signature="e#4388#4389#0" expanded="true" />
+            <element signature="e#4411#4412#0" expanded="true" />
           </folding>
         </state>
       </provider>

arraz/src/main/java/Arraz.java

@@ -1,7 +1,4 @@
-import java.util.Arrays;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.Set;
+import java.util.*;
 
 public class Arraz {
 
@@ -125,10 +122,8 @@ public class Arraz {
     }
 
     public Integer[] removeDupesFromArray(Integer[] array){
-        Set<Integer> integerSet = new HashSet<>();
-        integerSet.addAll(Arrays.asList(array));
-        Integer[] integers = new Integer[integerSet.size()];
-        return integerSet.toArray(integers);
+        Set<Integer> integerSet = new LinkedHashSet<>(Arrays.asList(array));
+        return integerSet.toArray(new Integer[0]);
     }
 
 }

arraz/src/test/java/ArrazTest.java

@@ -222,16 +222,31 @@ public class ArrazTest {
         Integer[] array1 = new Integer[]{1,3 ,4, 3, 7, 7, 10};
         Integer[] expected = new Integer[]{1, 3, 4, 7, 10};
         Integer[] actual = testArraz.removeDupesFromArray(array1);
+        System.out.println(Arrays.toString(actual));
 
         Assert.assertArrayEquals(expected, actual);
     }
 
     @Test
     public void testRemoveDupesFromArray2(){
-        Integer[] array1 = new Integer[]{5, 1, 1, 1, 1 ,1};
+        Integer[] array1 = new Integer[]{5, 1, 5, 5, 5 ,5};
         Integer[] expected = new Integer[]{5, 1};
         Integer[] actual = testArraz.removeDupesFromArray(array1);
+        System.out.println(Arrays.toString(actual));
 
         Assert.assertArrayEquals(expected, actual);
     }
+
+//    @Test
+//    public void testFind2ndLargestFromArray1(){
+//        double expected = 38.4;
+//        double actual = testArraz.find2ndLargestFromArray();
+//
+//        Assert.assertEquals(expected, actual, .01);
+//    }
+//
+//    @Test
+//    public void testFind2ndLargestFromArray2(){
+//
+//    }
 }