From e3eba65516c158f90c3a1a77e50daa2e569ed615 Mon Sep 17 00:00:00 2001
From: Abigail <abigail@abigail.freedom.nl>
Date: Wed, 9 Feb 2022 17:53:36 +0100
Subject: Week 151: Java solution for part 2

---
 challenge-151/abigail/README.md      |  1 +
 challenge-151/abigail/java/ch-2.java | 30 ++++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 challenge-151/abigail/java/ch-2.java

diff --git a/challenge-151/abigail/README.md b/challenge-151/abigail/README.md
index 870c6804c1..96d5223161 100644
--- a/challenge-151/abigail/README.md
+++ b/challenge-151/abigail/README.md
@@ -18,6 +18,7 @@
 * [Bash](bash/ch-2.sh)
 * [C](c/ch-2.c)
 * [Go](go/ch-2.go)
+* [Java](java/ch-2.java)
 * [Lua](lua/ch-2.lua)
 * [Node.js](node/ch-2.js)
 * [Pascal](pascal/ch-2.p)
diff --git a/challenge-151/abigail/java/ch-2.java b/challenge-151/abigail/java/ch-2.java
new file mode 100644
index 0000000000..98c27217d7
--- /dev/null
+++ b/challenge-151/abigail/java/ch-2.java
@@ -0,0 +1,30 @@
+//
+// See https://theweeklychallenge.org/blog/perl-weekly-challenge-151
+//
+
+//
+// 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) {
+        Scanner scanner = new Scanner (System . in);
+        while (scanner . hasNextLine ()) {
+            String line = scanner . nextLine ();
+            Scanner inner_scanner = new Scanner (line);
+            ArrayList <Integer> h = new ArrayList <Integer> ();
+            while (inner_scanner . hasNextInt ()) {
+                h . add (inner_scanner . nextInt ());
+            }
+            h . add (0);
+            h . add (0);
+            for (int i = h . size () - 3; i >= 2; i --) {
+                h . set (i, Math . max (h . get (i) + h . get (i + 2),
+                                        h . get (i + 1)));
+            }
+            System . out . printf ("%d\n", h . get (0) + h . get (2));
+        }
+    }
+}
-- 
cgit