working on it

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.
@@ -23,8 +25,6 @@ public class HamletParser {
                 String line = scanner.nextLine();
                 result.append(line).append("\n");
             }
-
-            scanner.close();
         }catch(IOException e){
             e.printStackTrace();
         }
@@ -36,4 +36,33 @@ public class HamletParser {
         return hamletData;
     }
 
+    private Matcher matchingwords(String regex){
+        Pattern pattern = Pattern.compile(regex);
+        Matcher matcher = pattern.matcher(this.hamletData.toLowerCase());
+        return  matcher;
+    }
+
+    public void changeHamletToLeon() {
+        if(findHamlet()) {
+            Matcher matcher = matchingwords("Hamlet");
+            matcher.replaceAll("Leon");
+        }
+    }
+
+    public void changeHoratioToTariq() {
+        if(findHamlet()) {
+            Matcher matcher = matchingwords("Horatio");
+            matcher.replaceAll("Tariq");
+        }
+    }
+
+    public boolean findHoratio() {
+        Matcher matcher = matchingwords("horatio");
+        return matcher.find();
+    }
+
+    public boolean findHamlet() {
+        Matcher matcher = matchingwords("hamlet");
+        return matcher.find();
+    }
 }

src/test/java/HamletParserTest.java

@@ -1,3 +1,4 @@
+import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 
@@ -15,17 +16,27 @@ public class HamletParserTest {
 
     @Test
     public void testChangeHamletToLeon() {
+        hamletParser.changeHamletToLeon();
+        boolean actual = hamletParser.findHamlet();
+        Assert.assertFalse(actual);
     }
 
     @Test
     public void testChangeHoratioToTariq() {
+        hamletParser.changeHoratioToTariq();
+        boolean actual = hamletParser.findHoratio();
+        Assert.assertFalse(actual);
     }
 
     @Test
     public void testFindHoratio() {
+        boolean actual = hamletParser.findHoratio();
+        Assert.assertTrue(actual);
     }
 
     @Test
     public void testFindHamlet() {
+        boolean actual = hamletParser.findHamlet();
+        Assert.assertTrue(actual);
     }
 }