Best shuffle: Difference between revisions
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(→{{header|Java}}: fix randomization bug) |
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=={{header|Java}}== |
=={{header|Java}}== |
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Translation of [[Best_shuffle#Icon_and_Unicon|Icon]] via [[Best_shuffle#AWK|AWK]] |
Translation of [[Best_shuffle#Icon_and_Unicon|Icon]] via [[Best_shuffle#AWK|AWK]] |
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<lang java>import java.util. |
<lang java>import java.util.Random; |
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public class BestShuffle { |
public class BestShuffle { |
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public static String bestShuffle(final String s1) { |
public static String bestShuffle(final String s1) { |
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char[] s2 = s1.toCharArray(); |
char[] s2 = s1.toCharArray(); |
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shuffle(s2); |
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for (int i = 0; i < s2.length; i++) { |
for (int i = 0; i < s2.length; i++) { |
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if (s2[i] != s1.charAt(i)) |
if (s2[i] != s1.charAt(i)) |
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} |
} |
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return s1 + " " + new String(s2) + " (" + count(s1, s2) + ")"; |
return s1 + " " + new String(s2) + " (" + count(s1, s2) + ")"; |
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} |
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public static void shuffle(char[] text) { |
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Random rand = new Random(); |
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for (int i = text.length - 1; i > 0; i--) { |
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int r = rand.nextInt(i + 1); |
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char tmp = text[i]; |
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text[i] = text[r]; |
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text[r] = tmp; |
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} |
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} |
} |
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