Creating Simple Finding Primes in Interval

.idea/workspace.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
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+    <option name="autoReloadType" value="SELECTIVE" />
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+    <list default="true" id="156428c6-b9a7-4d3a-9504-b3537029ac6a" name="Changes" comment="creat">
+      <change afterPath="$PROJECT_DIR$/src/main/java/SearchForPrimes.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/test/java/FindPrimesTest.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/pom.xml" afterDir="false" />
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@@ -16,9 +39,27 @@
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-    "RunOnceActivity.ShowReadmeOnStart": "true"
+    "RunOnceActivity.ShowReadmeOnStart": "true",
+    "last_opened_file_path": "D:/HIAST/FIY/FS/Parallel Programming/Lab/1/PP-lec01-Threads"
   }
 }]]></component>
+  <component name="RunManager">
+    <configuration name="FindPrimesTest.testFindPrimes" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+      <module name="Lab101" />
+      <option name="PACKAGE_NAME" value="" />
+      <option name="MAIN_CLASS_NAME" value="FindPrimesTest" />
+      <option name="METHOD_NAME" value="testFindPrimes" />
+      <option name="TEST_OBJECT" value="method" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <recent_temporary>
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+        <item itemvalue="JUnit.FindPrimesTest.testFindPrimes" />
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@@ -28,6 +69,29 @@
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       <updated>1698433053905</updated>
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 </project>
\ No newline at end of file

pom.xml

@@ -7,7 +7,13 @@
     <groupId>org.example</groupId>
     <artifactId>Lab101</artifactId>
     <version>1.0-SNAPSHOT</version>
-
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.13.2</version>
+        </dependency>
+    </dependencies>
     <properties>
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>

src/main/java/SearchForPrimes.java

+import java.util.ArrayList;
+import java.util.List;
+
+public class SearchForPrimes
+{
+    private int start;
+    private int end;
+    private List<Integer> Primes;
+
+    public SearchForPrimes(int start, int end)
+    {
+        this.start = start;
+        this.end = end;
+        this.Primes = new ArrayList<>();
+    }
+
+    public List<Integer> getPrimes()
+    {
+        for (int i= this.start  ; i <= this.end ; i++)
+        {
+            boolean isPrime = true;
+            for (int j=2 ; j*j <= i  ; j++)
+            {
+                if (i%j == 0)
+                {
+                    isPrime  = false;
+                    break;
+                }
+            }
+            if (isPrime)
+            {
+                Primes.add(i);
+            }
+        }
+        return this.Primes;
+    }
+}
+

src/test/java/FindPrimesTest.java

+import junit.framework.TestCase;
+
+import java.util.List;
+
+public class FindPrimesTest extends TestCase
+{
+    public void testFindPrimes()
+    {
+        SearchForPrimes searchForPrimes = new SearchForPrimes(1, 10000000);
+        long startTimer = System.currentTimeMillis();
+        List<Integer> Primes1 = searchForPrimes.getPrimes();
+        long endTimer = System.currentTimeMillis();
+
+        System.out.println("Time Taken = " + (endTimer-startTimer));
+        for (int i=0 ; i<Primes1.size() ; i++)
+        {
+            System.out.println(Primes1.get(i));
+        }
+
+
+    }
+}