Java > String-1 > left2 (CodingBat Solution)

Problem:

Given a string, return a "rotated left 2" version where the first 2 chars are moved to the end. The string length will be at least 2.

left2("Hello") → "lloHe"
left2("java") → "vaja"
left2("Hi") → "Hi"


Solution:

public String left2(String str) {
  return str.substring(2, str.length()) + str.substring(0,2);
}


2 comments :

  1. public String left2(String str) {
    return str.substring(2) + str.charAt(0) + str.charAt(1);
    }

    ReplyDelete

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