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authorSven Eisenhauer <sven@sven-eisenhauer.net>2023-11-10 15:11:48 +0100
committerSven Eisenhauer <sven@sven-eisenhauer.net>2023-11-10 15:11:48 +0100
commit33613a85afc4b1481367fbe92a17ee59c240250b (patch)
tree670b842326116b376b505ec2263878912fca97e2 /Master/Reference Architectures and Patterns/hjp5/examples/Listing2002.java
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Diffstat (limited to 'Master/Reference Architectures and Patterns/hjp5/examples/Listing2002.java')
-rw-r--r--Master/Reference Architectures and Patterns/hjp5/examples/Listing2002.java26
1 files changed, 26 insertions, 0 deletions
diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/Listing2002.java b/Master/Reference Architectures and Patterns/hjp5/examples/Listing2002.java
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--- /dev/null
+++ b/Master/Reference Architectures and Patterns/hjp5/examples/Listing2002.java
@@ -0,0 +1,26 @@
+/* Listing2002.java */
+
+import java.io.*;
+
+public class Listing2002
+{
+ public static void main(String[] args)
+ {
+ try {
+ RandomAccessFile f1 = new RandomAccessFile(
+ args[0], "rw"
+ );
+ long len = f1.length();
+ f1.setLength(2 * len);
+ for (long i = 0; i < len; ++i) {
+ f1.seek(i);
+ int c = f1.read();
+ f1.seek(2 * len - i - 1);
+ f1.write(c);
+ }
+ f1.close();
+ } catch (IOException e) {
+ System.err.println(e.toString());
+ }
+ }
+} \ No newline at end of file