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1. Import swagger json into postman Import swagger json into postman

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   //

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   // This script creates a postman.json file from swagger.json which can be imported into postman.

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   // 1. Replace "YOUR_PROJECT_URL" with real url which points to swagger.json.

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   // 2. Give permission to run: "chmod +x swagger_json_to_postman_json.sh"

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   // 3. Execute the script: "./swagger_json_to_postman_json.sh"

2. Given two strings, write a method to... Given two strings, write a method to decide if one is a permutation of the other.

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   /**

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    * Solution 1

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    * @param str1

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    * @param str2

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    * @return boolean

3. Implement a method to perform basic ... Implement a method to perform basic string compression using the counts of repeated characters. For example, the string aabcccccaaa would become a2blc5a3. If the "compressed" string would not become smaller than the original string, your method should return the original string.

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   /**

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    * Solution 1

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    * Bad Solution

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    * Time Complexity: 0(p + k2), where p is the size of the original string and k is the number of character sequences

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    */

4. Implement an algorithm to determine ... Implement an algorithm to determine if a string has all unique characters. What if you cannot use additional data structures ?

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   /**

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    * Solution 1

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    * Time Complexity : O(n) where n is the length of the string

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    * Space Complexity : O(1)

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    * @param input