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