Week 3, part 2. Go and Java solutions.

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diff --git a/challenge-003/abigail/java/ch-2.java b/challenge-003/abigail/java/ch-2.java
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+++ b/challenge-003/abigail/java/ch-2.java
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+//
+// See https://theweeklychallenge.org/blog/perl-weekly-challenge-003
+//
+
+//
+// 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 . hasNextInt ()) {
+            int max = scanner . nextInt ();
+            int [] current_row = new int [1];
+            current_row [0] = 1;
+            System . out . println ("1");
+
+            for (int row = 1; row <= max; row ++) {
+                int [] next_row = new int [row + 1];
+                next_row [0]   = 1;
+                next_row [row] = 1;
+                System . out . print ("1 ");
+                for (int col = 1; col < row; col ++) {
+                    next_row [col] = current_row [col - 1] + current_row [col];
+                    System . out . printf ("%d ", next_row [col]);
+                }
+                System . out . println ("1");
+                current_row = next_row;
+            }
+        }
+    }
+}