Data commit

Task/Determine-if-a-string-is-squeezable/Groovy/determine-if-a-string-is-squeezable.groovy

@@ -0,0 +1,33 @@
+class StringSqueezable {
+    static void main(String[] args) {
+        String[] testStrings = [
+                "",
+                "\"If I were two-faced, would I be wearing this one?\" --- Abraham Lincoln ",
+                "..1111111111111111111111111111111111111111111111111111111111111117777888",
+                "I never give 'em hell, I just tell the truth, and they think it's hell. ",
+                "                                                    --- Harry S Truman  ",
+                "122333444455555666666777777788888888999999999",
+                "The better the 4-wheel drive, the further you'll be from help when ya get stuck!",
+                "headmistressship"
+        ]
+
+        String[] testChar = [" ", "-", "7", ".", " -r", "5", "e", "s"]
+        for (int testNum = 0; testNum < testStrings.length; testNum++) {
+            String s = testStrings[testNum]
+            for (char c : testChar[testNum].toCharArray()) {
+                String result = squeeze(s, c)
+                System.out.printf("use: '%c'%nold:  %2d <<<%s>>>%nnew:  %2d <<<%s>>>%n%n", c, s.length(), s, result.length(), result)
+            }
+        }
+    }
+
+    private static String squeeze(String input, char include) {
+        StringBuilder sb = new StringBuilder()
+        for (int i = 0; i < input.length(); i++) {
+            if (i == 0 || input.charAt(i - 1) != input.charAt(i) || (input.charAt(i - 1) == input.charAt(i) && input.charAt(i) != include)) {
+                sb.append(input.charAt(i))
+            }
+        }
+        return sb.toString()
+    }
+}