adds all

.idea/encodings.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with NO BOM" />
+</project>
\ No newline at end of file

.idea/misc.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file

.idea/modules.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/lab4.iml" filepath="$PROJECT_DIR$/lab4.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file

.idea/vcs.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file

lab4.iml

+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="module-library" exported="">
+      <library>
+        <CLASSES>
+          <root url="jar://$USER_HOME$/Downloads/itextpdf-5.0.6.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
+  </component>
+</module>
\ No newline at end of file

src/lab4.java

+import com.itextpdf.text.pdf.PdfReader;
+import com.itextpdf.text.pdf.parser.PdfTextExtractor;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.OutputStream;
+import com.itextpdf.text.Document;
+import com.itextpdf.text.Paragraph;
+import com.itextpdf.text.pdf.PdfWriter;
+
+public class lab4 {
+
+    public static void main(String[] args) {
+        PdfReader pdfReader = null ;
+        try {
+            pdfReader = new PdfReader("Lab-4.pdf");
+        }
+        catch (Exception e)
+        {
+            e.printStackTrace();
+        }
+
+
+        int pages = pdfReader.getNumberOfPages();
+
+        for (int i=1; i<=pages; i++)
+        {
+            try {
+                String pageContent = PdfTextExtractor.getTextFromPage(pdfReader, i);
+                System.out.println("Content on Page " + i + ": " + pageContent);
+            }
+            catch (Exception y)
+            {
+                y.printStackTrace();
+            }
+        }
+        try {
+            //Create Document instance.
+            Document document = new Document();
+
+            //Create OutputStream instance.
+            OutputStream outputStream =
+                    new FileOutputStream(new File("D:\\TestFile.pdf"));
+
+            //Create PDFWriter instance.
+            PdfWriter.getInstance(document, outputStream);
+
+            //Open the document.
+            document.open();
+
+            //Add content to the document.
+            document.add(new Paragraph("Hello world, " +
+                    "this is so useless."));
+
+            //Close document and outputStream.
+            document.close();
+            outputStream.close();
+
+            System.out.println("Pdf created successfully.");
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+
+    }
+}