lr10 -> e1, e2

2026-04-05 20:04:51 +05:00
parent 47caea45da
commit a2b7572206
3 changed files with 124 additions and 0 deletions
--- a/lr10/task_1/e2.java
+++ b/lr10/task_1/e2.java
@@ -0,0 +1,48 @@
+package lr10.task_1;
+
+import java.io.File;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.DocumentBuilder;
+import org.w3c.dom.Document;
+import org.w3c.dom.NodeList;
+import org.w3c.dom.Node;
+import org.w3c.dom.Element;
+
+public class e2 {
+    public static void main(String[] args) {
+        try {
+            File inputFile = new File("example.xml");
+
+            DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
+            DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
+            Document doc = dBuilder.parse(inputFile);
+
+            doc.getDocumentElement().normalize();
+
+            System.out.println("Корневой элемент: " + doc.getDocumentElement().getNodeName());
+
+            NodeList nodeList = doc.getElementsByTagName("book");
+
+            for (int i = 0; i < nodeList.getLength(); i++) {
+                Node node = nodeList.item(i);
+                System.out.println("\nТекущий элемент: " + node.getNodeName());
+
+                if (node.getNodeType() == Node.ELEMENT_NODE) {
+                    Element element = (Element) node;
+
+                    System.out.println("Название книги: "
+                            + element.getElementsByTagName("title").item(0).getTextContent());
+
+                    System.out.println("Автор: "
+                            + element.getElementsByTagName("author").item(0).getTextContent());
+
+                    System.out.println("Год издания: "
+                            + element.getElementsByTagName("year").item(0).getTextContent());
+                }
+            }
+
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}