Create RandomAccessFileEx.java

janbodnar · web-flow · commit ad389914ff09 · 2019-07-26T13:07:46.000+02:00
diff --git a/io/RandomAccessFileEx.java b/io/RandomAccessFileEx.java
@@ -0,0 +1,26 @@
+package com.zetcode;
+
+import java.io.IOException;
+import java.io.RandomAccessFile;
+
+// RandomAccessFile allows to directly manipulate
+// the contents of a file
+public class RandomAccessFileEx {
+
+    public static void main(String[] args) throws IOException {
+
+        try (var raf = new RandomAccessFile("test.txt", "rw")) {
+
+            raf.writeBytes("golden ring");
+
+            raf.seek(0);
+            System.out.println(raf.readLine());
+
+            raf.seek(7);
+            raf.writeBytes("eagle");
+
+            raf.seek(0);
+            System.out.println(raf.readLine());
+        }
+    }
+}
