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Java 测试是否通过

欢马劈雪

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测试传入的字符串是否为包含每个字母完全相同的数字的字谜。

实例源码：

源代码：

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// from 时 代 J a v a 公 众 号 - N o w J a v  a . c o m

public class Anagram {

/**

* Tests whether the passed-in strings are anagrams --

* containing the exact same number of each letter.

* Punctuation, case, and order don't matter.

* @return true if the strings are anagrams; otherwise, false

public static boolean areAnagrams(String string1, String string2) {

String workingCopy1 = removeJunk(string1);

String workingCopy2 = removeJunk(string2);

workingCopy1 = workingCopy1.toLowerCase();

workingCopy2 = workingCopy2.toLowerCase();

workingCopy1 = sort(workingCopy1);

workingCopy2 = sort(workingCopy2);

return workingCopy1.equals(workingCopy2);

}
    /*
    N o  w  J a v a . c o m - 时  代  Java 提 供
    */

/**

* Removes punctuation & spaces -- everything except

* letters from the passed-in string.

* @return a stripped copy of the passed-in string

protected static String removeJunk(String string) {

int i, len = string.length();

StringBuilder dest = new StringBuilder(len);

char c;

for (i = (len - 1); i >= 0; i--) {

c = string.charAt(i);

if (Character.isLetter(c)) {

dest.append(c);

}

return dest.toString();

}

/**

* Sorts the passed-in string.

* @return a sorted copy of the passed-in string

protected static String sort(String string) {

char[] charArray = string.toCharArray();

java.util.Arrays.sort(charArray);

return new String(charArray);

}

public static void main(String[] args) {

String string1 = "Cosmo and Laine:";

String string2 = "Maid, clean soon!";

System.out.println();

System.out.println("Testing whether the following "

+ "strings are anagrams:");

System.out.println("    String 1: " + string1);

System.out.println("    String 2: " + string2);

System.out.println();

if (areAnagrams(string1, string2)) {

System.out.println("They ARE anagrams!");

} else {

System.out.println("They are NOT anagrams!");

}

System.out.println();

}

* Redistribution and use in source and binary forms, with or without

* modification, are permitted provided that the following conditions

* are met:

*   - Redistributions of source code must retain the above copyright

*     notice, this list of conditions and the following disclaimer.

*   - Redistributions in binary form must reproduce the above copyright

*     notice, this list of conditions and the following disclaimer in the

*     documentation and/or other materials provided with the distribution.

*   - Neither the name of Oracle or the names of its

*     contributors may be used to endorse or promote products derived

*     from this software without specific prior written permission.

* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS

* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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编辑于 2020-03-26 09:23:272020-03-26 09:23:27

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