first phase frame implement

src/webcrawler/ApplicationRunner.java

@@ -1,7 +1,8 @@
 package webcrawler;
 
 public class ApplicationRunner {
-    public static void main(String[] args) {
-        new WebCrawler();
-    }
+
+  public static void main(String[] args) {
+    new WebCrawler();
+  }
 }

src/webcrawler/WebCrawler.java

@@ -1,12 +1,40 @@
 package webcrawler;
 
-import javax.swing.*;
+import java.awt.BorderLayout;
+import java.awt.Dimension;
+import javax.swing.BorderFactory;
+import javax.swing.BoxLayout;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+import javax.swing.JTextArea;
 
 public class WebCrawler extends JFrame {
-    public WebCrawler() {
-        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
-        setSize(300, 300);
-        setVisible(true);
-        setLayout(null);
-    }
+
+  private final JTextArea textArea;
+
+  public WebCrawler() {
+    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+    setSize(300, 300);
+    setVisible(true);
+
+    this.textArea = new JTextArea();
+    initLayout();
+  }
+
+  private void initLayout() {
+    var rootPanel = getContentPane();
+
+    textArea.setText("HTML code?");
+    var scrollPane = new JScrollPane(textArea);
+    scrollPane.setPreferredSize(new Dimension(200, 200));
+
+    var areaPanel = new JPanel();
+    areaPanel.setLayout(new BoxLayout(areaPanel, BoxLayout.PAGE_AXIS));
+    areaPanel.setBorder(BorderFactory.createEmptyBorder(40, 40, 40, 40));
+    areaPanel.add(scrollPane);
+
+    rootPanel.add(areaPanel, BorderLayout.CENTER);
+    pack();
+  }
 }