From 5e8cc7cf8b4cc5260c6d16c7453f4b4a0646465e Mon Sep 17 00:00:00 2001 From: Util Date: Sun, 3 Mar 2024 16:58:54 -0600 Subject: Add TWC 258 solutions by Bruce Gray, in Raku, Perl, and Java. --- challenge-258/bruce-gray/java/ch-1.java | 34 +++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 challenge-258/bruce-gray/java/ch-1.java (limited to 'challenge-258/bruce-gray/java/ch-1.java') diff --git a/challenge-258/bruce-gray/java/ch-1.java b/challenge-258/bruce-gray/java/ch-1.java new file mode 100644 index 0000000000..b60b8fcdf4 --- /dev/null +++ b/challenge-258/bruce-gray/java/ch-1.java @@ -0,0 +1,34 @@ +// java java/ch-1.java +import java.util.List; +public class ch_1 { + + + static long task1 ( List ns ) { + return ns.stream() + .filter(n -> n.toString().length() % 2 == 0) + .count(); + } + + + // Test harness + static int test_number = 1; + static void plan ( Integer count ) { System.out.printf("1..%d\n", count); } + static boolean is ( long got, long expected, String desc ) { + boolean ret = got == expected; + System.out.printf("%s %d - %s\n", (ret ? "ok" : "not ok"), test_number++, desc); + return ret; + } + public static void main(String[] args) { + record Testcase ( int expected, List inputs ) {} + + List tst = List.of( + new Testcase( 3, List.of( 10, 1, 111, 24, 1000 ) ), + new Testcase( 0, List.of( 111, 1, 11111 ) ), + new Testcase( 1, List.of( 2, 8, 1024, 256 ) ) + ); + plan(tst.size()); + for (Testcase t : tst) { + is( task1(t.inputs), t.expected, t.inputs.toString() ); + } + } +} -- cgit