fin

pom.xml

@@ -15,5 +15,9 @@
             <version>4.12</version>
         </dependency>
     </dependencies>
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </properties>
 
 </project>

src/main/java/HamletParser.java

@@ -36,4 +36,6 @@ public String getHamletData(){
         return hamletData;
     }
 
+
+
 }

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 {
@@ -15,17 +19,51 @@ public void setUp() {
 
     @Test
     public void testChangeHamletToLeon() {
+        Pattern pattern = Pattern.compile("Hamlet");
+        Matcher matcher = pattern.matcher(hamletText);
+        String result = matcher.replaceAll("Leon");
+
+        System.out.println(result);
+        Boolean hasOldName = result.contains("Hamlet");
+
+        Assert.assertFalse(hasOldName);
     }
 
     @Test
     public void testChangeHoratioToTariq() {
+        Pattern pattern = Pattern.compile("Horatio");
+        Matcher matcher = pattern.matcher(hamletText);
+        String result = matcher.replaceAll("Tariq");
+
+        System.out.println(result);
+        Boolean hasOldName = result.contains("Horatio");
+
+        Assert.assertFalse(hasOldName);
     }
 
     @Test
     public void testFindHoratio() {
+        Pattern pattern = Pattern.compile("Horatio");
+        Matcher matcher = pattern.matcher(hamletText);
+        Integer count = 0;
+
+        while(matcher.find()){ // works similar to has next
+            count++;
+        }
+        System.out.println(count);
+        Assert.assertTrue(count > 0);
     }
 
     @Test
     public void testFindHamlet() {
+        Pattern pattern = Pattern.compile("Hamlet");
+        Matcher matcher = pattern.matcher(hamletText);
+        Integer count = 0;
+
+        while(matcher.find()) {
+            count++;
+        }
+
+        Assert.assertTrue(count > 0);
     }
 }