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Add solution for oneTwo #6

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garentyler wants to merge 1 commit into from
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Add solution for oneTwo #6

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11 changes: 11 additions & 0 deletions java/string-2/oneTwo.java
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Original file line number Diff line number Diff line change
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/* Given a string, compute a new string by moving the first char to come after the next two
* chars, so "abc" yields "bca". Repeat this process for each subsequent group of 3 chars,
* so "abcdef" yields "bcaefd". Ignore any group of fewer than 3 chars at the end.
*/
public String oneTwo(String str) {
String output = "";
for(int i = 0; i < str.length(); i+=3)
if (i + 3 <= str.length())
output += str.substring(i + 1, i + 3) + str.substring(i, i + 1);
return output;
}