PWC 254

Task 1 Raku done
Task 2 Raku done

Task 1 PL/Perl done
Task 2 PL/Perl done

Task 1 PL/PgSQL done
Task 2 PL/PgSQL done

Task 1 Python done
Task 2 Python done

Task 1  PL/Java done
Task2  PL/java done

1 files changed, 28 insertions, 0 deletions

diff --git a/challenge-253/luca-ferrari/pljava/ch-2.java b/challenge-253/luca-ferrari/pljava/ch-2.java
new file mode 100644
index 0000000000..4a664fb345
--- /dev/null
+++ b/challenge-253/luca-ferrari/pljava/ch-2.java
@@ -0,0 +1,28 @@
+package PWC253;
+
+/**
+ * PL/Java implementation for PWC 253
+ * Task 2
+ * See <https://perlweeklychallenge.org/blog/perl-weekly-challenge-253>
+ *
+ * To install into PostgreSQL execute:
+
+ select sqlj.install_jar( 'file:///tmp/PWC253.1.jar', 'PWC253', true );
+ select sqlj.set_classpath( 'public', 'PWC253' );
+
+ select task$tn_pljava();
+
+*/
+
+import org.postgresql.pljava.*;
+import org.postgresql.pljava.annotation.Function;
+import static org.postgresql.pljava.annotation.Function.Effects.IMMUTABLE;
+import static org.postgresql.pljava.annotation.Function.OnNullInput.RETURNS_NULL;
+
+public class Task2 {
+
+       @Function( onNullInput = RETURNS_NULL, effects = IMMUTABLE )
+       public static final void task2_pljava() throws Exception {
+	   throws Exception( "Not Implemented" );
+       }
+}