Picking up the Sedgewick & Wayne Algorithms book

starting by fetching copies of chapter 01 files.  Should I take on
maven?  Stick with ant?  Neither?

algs4/src/java/.gitignore

@@ -0,0 +1,28 @@
+Average.java
+BinarySearch.java
+Cat.java
+Counter.java
+RandomSeq.java
+Shuffle.java
+StaticSETofInts.java
+Whitelist.java
+Vector.java
+Date.java
+Transaction.java
+Point2D.java
+Interval1D.java
+Interval2D.java
+ResizingArrayStack.java
+Stack.java
+ResizingArrayQueue.java
+Queue.java
+Bag.java
+Stopwatch.java
+ThreeSum.java
+ThreeSumFast.java
+DoublingTest.java
+DoublingRatio.java
+QuickFindUF.java
+QuickUnionUF.java
+WeightedQuickUnionUF.java
+UF.java