Merge remote-tracking branch 'upstream/master'

1 files changed, 38 insertions, 0 deletions

diff --git a/challenge-002/abigail/java/ch-2.java b/challenge-002/abigail/java/ch-2.java
new file mode 100644
index 0000000000..8c15c6ed49
--- /dev/null
+++ b/challenge-002/abigail/java/ch-2.java
@@ -0,0 +1,38 @@
+//
+// See https://theweeklychallenge.org/blog/perl-weekly-challenge-002
+//
+
+//
+// Run as: ln ch-2.java ch2.java; javac ch2.java; java ch2 < input-file
+//
+
+import java.util.*;
+
+public class ch2 {
+    public static void main (String [] args) {
+        Boolean from_base = false;
+        Boolean to_base   = false;
+
+        if (args . length == 1) {
+            if (args [0] . equals ("-f")) {
+                from_base = true;
+            }
+            if (args [0] . equals ("-t")) {
+                to_base   = true;
+            }
+        }
+
+        Scanner scanner = new Scanner (System . in);
+        while (scanner . hasNextLine ()) {
+            String line = scanner . nextLine () . trim ();
+            if (from_base) {
+                System . out . println (Integer . parseInt (line, 35));
+            }
+            if (to_base) {
+                System . out . println (Integer . toString (
+                                        Integer . parseInt (line), 35) .
+                                                  toUpperCase ());
+            }
+        }
+    }
+}