iterator

.idea/workspace.xml

@@ -2,13 +2,7 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="3455511b-a100-4bbd-b07c-68f009bc8dbc" name="Default" comment="">
-      <change afterPath="$PROJECT_DIR$/.idea/libraries/Maven__junit_junit_4_12.xml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/.idea/libraries/Maven__org_hamcrest_hamcrest_core_1_3.xml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/arraz/src/main/java/OddEven.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/libraries/Maven__junit_junit_4_0.xml" beforeDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/arraz/arraz.iml" beforeDir="false" afterPath="$PROJECT_DIR$/arraz/arraz.iml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/arraz/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/arraz/pom.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>
@@ -29,7 +23,7 @@
       </usages-collector>
       <usages-collector id="statistics.file.types.edit">
         <counts>
-          <entry key="JAVA" value="3519" />
+          <entry key="JAVA" value="4128" />
           <entry key="XML" value="3" />
         </counts>
       </usages-collector>
@@ -46,9 +40,10 @@
       <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">
-            <state relative-caret-position="368">
-              <caret line="65" column="18" selection-start-line="65" selection-start-column="18" selection-end-line="65" selection-end-column="18" />
+            <state relative-caret-position="285">
+              <caret line="79" column="24" selection-start-line="79" selection-start-column="24" selection-end-line="79" selection-end-column="24" />
               <folding>
+                <element signature="imports" expanded="true" />
                 <element signature="e#399#400#0" expanded="true" />
                 <element signature="e#451#452#0" expanded="true" />
                 <element signature="e#515#516#0" expanded="true" />
@@ -61,8 +56,8 @@
       <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="2190">
-              <caret line="146" column="5" lean-forward="true" selection-start-line="146" selection-start-column="5" selection-end-line="146" selection-end-column="5" />
+            <state relative-caret-position="313">
+              <caret line="161" column="49" selection-start-line="161" selection-start-column="49" selection-end-line="161" selection-end-column="49" />
               <folding>
                 <element signature="imports" expanded="true" />
               </folding>
@@ -85,16 +80,13 @@
       <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/arraz/src/main/java/OddEven.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="150">
-              <caret line="10" column="25" selection-start-line="10" selection-start-column="25" selection-end-line="10" selection-end-column="25" />
+            <state>
+              <caret column="22" lean-forward="true" selection-start-column="22" selection-end-column="22" />
               <folding>
+                <element signature="e#189#190#0" expanded="true" />
                 <element signature="e#215#216#0" expanded="true" />
-                <element signature="e#250#251#0" expanded="true" />
-                <element signature="e#280#281#0" expanded="true" />
                 <element signature="e#308#309#0" expanded="true" />
                 <element signature="e#335#336#0" expanded="true" />
-                <element signature="e#372#373#0" expanded="true" />
-                <element signature="e#404#405#0" expanded="true" />
               </folding>
             </state>
           </provider>
@@ -216,7 +208,7 @@
     <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="1544059292553" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1544103261992" />
     <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="$PROJECT_DIR$" />
@@ -246,7 +238,7 @@
       </list>
     </option>
   </component>
-  <component name="RunManager" selected="JUnit.ArrazTest">
+  <component name="RunManager" selected="JUnit.ArrazTest.testCopyArrayByIterator2">
     <configuration default="true" type="Applet" factoryName="Applet">
       <option name="POLICY_FILE" value="$APPLICATION_HOME_DIR$/bin/appletviewer.policy" />
       <method v="2">
@@ -268,11 +260,22 @@
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="ArrazTest.testOddEvens1" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="ArrazTest.testCopyArrayByIterator1" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="arraz" />
       <option name="PACKAGE_NAME" value="" />
       <option name="MAIN_CLASS_NAME" value="ArrazTest" />
-      <option name="METHOD_NAME" value="testOddEvens1" />
+      <option name="METHOD_NAME" value="testCopyArrayByIterator1" />
+      <option name="TEST_OBJECT" value="method" />
+      <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="ArrazTest.testCopyArrayByIterator2" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+      <module name="arraz" />
+      <option name="PACKAGE_NAME" value="" />
+      <option name="MAIN_CLASS_NAME" value="ArrazTest" />
+      <option name="METHOD_NAME" value="testCopyArrayByIterator2" />
       <option name="TEST_OBJECT" value="method" />
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
       <method v="2">
@@ -327,15 +330,17 @@
     <list>
       <item itemvalue="JUnit.ArrazTest" />
       <item itemvalue="JUnit.ArrazTest.testReverseArray1" />
-      <item itemvalue="JUnit.ArrazTest.testOddEvens1" />
       <item itemvalue="JUnit.ArrazTest.testOddEvens2" />
+      <item itemvalue="JUnit.ArrazTest.testCopyArrayByIterator1" />
+      <item itemvalue="JUnit.ArrazTest.testCopyArrayByIterator2" />
     </list>
     <recent_temporary>
       <list>
+        <item itemvalue="JUnit.ArrazTest.testCopyArrayByIterator2" />
+        <item itemvalue="JUnit.ArrazTest.testCopyArrayByIterator1" />
         <item itemvalue="JUnit.ArrazTest" />
-        <item itemvalue="JUnit.ArrazTest.testOddEvens2" />
-        <item itemvalue="JUnit.ArrazTest.testOddEvens1" />
         <item itemvalue="JUnit.ArrazTest.testReverseArray1" />
+        <item itemvalue="JUnit.ArrazTest.testOddEvens2" />
       </list>
     </recent_temporary>
   </component>
@@ -352,7 +357,7 @@
       <workItem from="1543955862749" duration="2347000" />
       <workItem from="1543958998826" duration="113000" />
       <workItem from="1544020724645" duration="762000" />
-      <workItem from="1544046933389" duration="7694000" />
+      <workItem from="1544046933389" duration="9103000" />
     </task>
     <task id="LOCAL-00001" summary="readme and docs">
       <created>1544021313039</created>
@@ -365,15 +370,6 @@
     <servers />
   </component>
   <component name="TestHistory">
-    <history-entry file="ArrazTest - 2018.12.05 at 19h 33m 31s.xml">
-      <configuration name="ArrazTest" configurationId="JUnit" />
-    </history-entry>
-    <history-entry file="ArrazTest - 2018.12.05 at 19h 48m 37s.xml">
-      <configuration name="ArrazTest" configurationId="JUnit" />
-    </history-entry>
-    <history-entry file="ArrazTest_testReverseArray1 - 2018.12.05 at 19h 49m 22s.xml">
-      <configuration name="ArrazTest.testReverseArray1" configurationId="JUnit" />
-    </history-entry>
     <history-entry file="ArrazTest_testReverseArray1 - 2018.12.05 at 19h 49m 37s.xml">
       <configuration name="ArrazTest.testReverseArray1" configurationId="JUnit" />
     </history-entry>
@@ -395,9 +391,18 @@
     <history-entry file="ArrazTest - 2018.12.05 at 20h 14m 26s.xml">
       <configuration name="ArrazTest" configurationId="JUnit" />
     </history-entry>
+    <history-entry file="ArrazTest - 2018.12.05 at 20h 21m 34s.xml">
+      <configuration name="ArrazTest" configurationId="JUnit" />
+    </history-entry>
+    <history-entry file="ArrazTest_testReverseArray1 - 2018.12.05 at 20h 36m 49s.xml">
+      <configuration name="ArrazTest.testReverseArray1" configurationId="JUnit" />
+    </history-entry>
+    <history-entry file="ArrazTest - 2018.12.06 at 08h 17m 38s.xml">
+      <configuration name="ArrazTest" configurationId="JUnit" />
+    </history-entry>
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="10916000" />
+    <option name="totallyTimeSpent" value="12325000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="0" y="23" width="1440" height="807" extended-state="6" />
@@ -453,16 +458,13 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/arraz/src/main/java/OddEven.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="150">
-          <caret line="10" column="25" selection-start-line="10" selection-start-column="25" selection-end-line="10" selection-end-column="25" />
+        <state>
+          <caret column="22" lean-forward="true" selection-start-column="22" selection-end-column="22" />
           <folding>
+            <element signature="e#189#190#0" expanded="true" />
             <element signature="e#215#216#0" expanded="true" />
-            <element signature="e#250#251#0" expanded="true" />
-            <element signature="e#280#281#0" expanded="true" />
             <element signature="e#308#309#0" expanded="true" />
             <element signature="e#335#336#0" expanded="true" />
-            <element signature="e#372#373#0" expanded="true" />
-            <element signature="e#404#405#0" expanded="true" />
           </folding>
         </state>
       </provider>
@@ -479,9 +481,10 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/arraz/src/main/java/Arraz.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="368">
-          <caret line="65" column="18" selection-start-line="65" selection-start-column="18" selection-end-line="65" selection-end-column="18" />
+        <state relative-caret-position="285">
+          <caret line="79" column="24" selection-start-line="79" selection-start-column="24" selection-end-line="79" selection-end-column="24" />
           <folding>
+            <element signature="imports" expanded="true" />
             <element signature="e#399#400#0" expanded="true" />
             <element signature="e#451#452#0" expanded="true" />
             <element signature="e#515#516#0" expanded="true" />
@@ -492,8 +495,8 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/arraz/src/test/java/ArrazTest.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="2190">
-          <caret line="146" column="5" lean-forward="true" selection-start-line="146" selection-start-column="5" selection-end-line="146" selection-end-column="5" />
+        <state relative-caret-position="313">
+          <caret line="161" column="49" selection-start-line="161" selection-start-column="49" selection-end-line="161" selection-end-column="49" />
           <folding>
             <element signature="imports" expanded="true" />
           </folding>

arraz/src/main/java/Arraz.java

@@ -1,3 +1,6 @@
+import java.util.Arrays;
+import java.util.Iterator;
+
 public class Arraz {
 
 
@@ -66,5 +69,15 @@ public class Arraz {
         return -1;
     }
 
+    public Integer[] copyArrayByIterator(Integer[] array){
+        Integer[] newArray = new Integer[array.length];
+        int index = 0;
+        Iterator<Integer> iterator = Arrays.asList(array).iterator();
+        while(iterator.hasNext()){
+            newArray[index] = iterator.next();
+            index++;
+        }
+        return newArray;
+        }
 
-}
+    }

arraz/src/test/java/ArrazTest.java

@@ -146,4 +146,19 @@ public class ArrazTest {
         Assert.assertEquals(expected,actual);
     }
 
+    @Test
+    public void testCopyArrayByIterator1(){
+        Integer[] expected = new Integer[]{1,2,3,4,5};
+        Integer[] actual = testArraz.copyArrayByIterator(expected);
+
+        Assert.assertArrayEquals(expected, actual);
+    }
+
+    @Test
+    public void testCopyArrayByIterator2(){
+        Integer[] expected = new Integer[]{10, 3, 5, 43};
+        Integer[] actual = testArraz.copyArrayByIterator(expected);
+
+        Assert.assertArrayEquals(expected, actual);
+    }
 }