Done

pom.xml

@@ -8,6 +8,11 @@
     <artifactId>regex</artifactId>
     <version>1.0-SNAPSHOT</version>
 
+    <properties>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>junit</groupId>

src/main/java/HamletParser.java

@@ -1,6 +1,8 @@
 import java.io.File;
 import java.io.IOException;
 import java.util.Scanner;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 /**
  * Created by thook on 10/7/15.
@@ -18,22 +20,83 @@ public class HamletParser {
         File file = new File(classLoader.getResource("hamlet.txt").getFile());
         StringBuilder result = new StringBuilder("");
 
-        try(Scanner scanner = new Scanner(file)){
-            while(scanner.hasNextLine()){
+        try(Scanner scanner = new Scanner(file))
+        {
+            while(scanner.hasNextLine())
+            {
                 String line = scanner.nextLine();
                 result.append(line).append("\n");
+                //String horatioToTariq = changeHoratioToTariq(changeHamletToLeon(line));
+                //result= result.append(changeHoratioToTariq(changeHamletToLeon(line)));
+                //result.append("\n");
+                //System.out.println(result);
             }
-
-            scanner.close();
         }catch(IOException e){
             e.printStackTrace();
         }
-
         return result.toString();
     }
+    public static int changeHamletToLeon(String line)
+    {
+        int count=0;
+        Pattern patternHamlet =Pattern. compile("\\bHamlet\\b",Pattern.CASE_INSENSITIVE);
+        Matcher m1=patternHamlet.matcher(line);
+        String str1=((Matcher) m1).replaceAll("Leon");
+
+        Matcher m11=patternHamlet.matcher(str1);
+        while(m11.find())
+        {
+            count++;
+        }
+        return count;
+    }
 
-    public String getHamletData(){
+    public static int changeHoratioToTariq(String line) {
+        int count=0;
+        Pattern patternHoratio =Pattern.compile("\\bHoratio\\b",Pattern.CASE_INSENSITIVE);
+        Matcher m2=patternHoratio.matcher(line);
+        String str2=((Matcher) m2).replaceAll("Tariq");
+
+        Matcher m22=patternHoratio.matcher(str2);
+        while(m22.find())
+        {
+            count++;
+        }
+        return count;
+    }
+    public String getHamletData()
+    {
         return hamletData;
     }
 
+    public int FindHoratio()
+    {
+        int count=0;
+        Pattern patternHoratio =Pattern.compile("\\bHoratio\\b",Pattern.CASE_INSENSITIVE);
+        Matcher m2=patternHoratio.matcher(hamletData);
+
+        while(m2.find())
+        {
+            count++;
+        }
+        return count;
+    }
+    public int FindHamlet()
+    {
+        int count=0;
+        Pattern patternHamlet =Pattern.compile("\\bHamlet\\b",Pattern.CASE_INSENSITIVE);
+        Matcher m2=patternHamlet.matcher(hamletData);
+
+        while(m2.find())
+        {
+            count++;
+        }
+        return count;
+    }
+
+    public static void main(String[] args) {
+        HamletParser hamletParser=new HamletParser();
+        
+    }
+
 }

src/test/java/HamletParserTest.java

@@ -1,6 +1,10 @@
+import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
 import static org.junit.Assert.*;
 
 public class HamletParserTest {
@@ -13,19 +17,32 @@ public class HamletParserTest {
         this.hamletText = hamletParser.getHamletData();
     }
 
-    @Test
-    public void testChangeHamletToLeon() {
-    }
 
     @Test
-    public void testChangeHoratioToTariq() {
+    public void testChangeHamletToLeonCount() {
+        int expected =0;
+        int actual=hamletParser.changeHamletToLeon(hamletText);
+        assertEquals(expected, actual);
     }
 
+
     @Test
     public void testFindHoratio() {
+        int expected=158;
+        int actual=hamletParser.FindHoratio();
+        Assert.assertEquals(expected, actual);
+    }
+    @Test
+    public void testChangeHoratioToTariqCount()
+    {
+        int expected=0;
+        int actual=hamletParser.changeHoratioToTariq(hamletText);
+        Assert.assertEquals(expected, actual);
     }
-
     @Test
     public void testFindHamlet() {
+        int expected=471;
+        int actual=hamletParser.FindHamlet();
+        Assert.assertEquals(expected, actual);
     }
 }