EnesKorukcu

//
// This script creates a postman.json file from swagger.json which can be imported into postman.
// 1. Replace "YOUR_PROJECT_URL" with real url which points to swagger.json.
// 2. Give permission to run: "chmod +x swagger_json_to_postman_json.sh"
// 3. Execute the script: "./swagger_json_to_postman_json.sh"
// 4. postman.json will be created in the same folder as script.
//

git clone https://github.com/postmanlabs/openapi-to-postman.git
cd openapi-to-postman

EnesKorukcu

1. Download Instant Client:

• instantclient-basic-macos.x64-11.2.0.4.0.zip
• instantclient-sdk-macos.x64-11.2.0.4.0.zip
• instantclient-sqlplus-macos.x64-11.2.0.4.0.zip

2. Unzip and move to /opt

3. Create symlink

EnesKorukcu

/**
 * Solution 1
 * Bad Solution
 * Time Complexity: 0(p + k2), where p is the size of the original string and k is the number of character sequences
 */
public static String compressBad(String input) {
    String output = "";
    int charCount = 0;
    char[] charArray = input.toCharArray();
    char temp = input.charAt(0);

EnesKorukcu

public static String replaceSpaces(String input) {
    char[] inputChars = input.toCharArray();
    StringBuilder stringBuilder = new StringBuilder(input);
    for(int i = 0; i < inputChars.length; i++) {
        if(inputChars[i] == ' ') {
            stringBuilder.append("%20");
        } else {
            stringBuilder.append(inputChars[i]);
        }
        stringBuilder.deleteCharAt(stringBuilder.length() - i);

EnesKorukcu

/**
 * Solution 1
 * @param str1
 * @param str2
 * @return boolean
 */
public static boolean findIfStringsArePermutationOfEachOther(String str1, String str2) {
    if(str1.length() != str2.length()) {
        return false;
    }

EnesKorukcu

/**
 * Solution 1
 * Time Complexity : O(n) where n is the length of the string
 * Space Complexity : O(1)
 * @param input
 * @return boolean
 */
public static boolean checkSingularity1(String input) {
    if(input.length() > 256) {
        return false;