cg4jins

RestTemplate restTemplate = RestTemplateFactory.createTemplate(readTimeout, connectionTimeout);

String url = String.format("https://androidpublisher.googleapis.com/androidpublisher/v3/applications/%s/reviews?access_token=%s&startIndex=1&maxResults=20", packageName, accessToken);

restTemplate.getForObject(url, ReviewsListResponse.class);

cg4jins

HttpTransport httpTransport = GoogleNetHttpTransport.newTrustedTransport();
JsonFactory jsonFactory = JacksonFactory.getDefaultInstance();

// Google Cloud Platform에서 발급 받은 인증서 파일입니다.
InputStream inputStream = getClass().getResourceAsStream(p12FilePath);

// Google Cloud Platform에서 인증서를 발급 받은 서비스 계정명입니다.
GoogleCredential credential = new GoogleCredential.Builder()
        .setTransport(httpTransport)
        .setJsonFactory(jsonFactory)

cg4jins

spring:
  datasource:
    master:
      minimumIdle: 0
      maximumPoolSize: 20
      connectionTestQuery: 'select 1'
      jdbcUrl: jdbc:mysql://localhost:3306/sa
      username: sa
      password: 'sa'
      driverClassName: com.mysql.cj.jdbc.Driver

cg4jins

class RoutingDataSource : AbstractRoutingDataSource() {

    override fun determineCurrentLookupKey(): Any {
        return if (TransactionSynchronizationManager.isCurrentTransactionReadOnly()) "slave" else "master"
    }
}

cg4jins

@Configuration
@EntityScan(basePackages = ["com.beauty.domain"])
@EnableJpaRepositories(basePackages = ["com.beauty.repository"])
@EnableTransactionManagement
@EnableAutoConfiguration(exclude = [DataSourceAutoConfiguration::class])
class DataSourceConfig {

    companion object {
        const val MASTER = "master"
        const val SLAVE = "slave"

cg4jins

class Solution {
    fun solution(s: String, n: Int): String {

        return s.toCharArray().map { map(it, n) }.joinToString("")
    }

    private fun map(s: Char, n: Int): Char {
        val ch = s.toInt()

        if (ch in 65..90){

cg4jins

class Solution {
    fun solution(s: String): Int {
        
        //return s.toInt()
      
        if (s[0] == '-') {
            return Integer.parseInt(s.substring(1)) * -1
        }
        return Integer.parseInt(s)
    }

cg4jins

class Solution {
    fun solution(numbers: IntArray): String {

        val sorted = numbers.sortedWith(Comparator { o1, o2 -> compare1(o1, o2) })

        if (sorted.stream().allMatch { it == 0 }){
            return "0"
        }

        return sorted.joinToString("")

cg4jins

class Solution {
    fun solution(seoul: Array<String>): String {

        for ((idx, word) in seoul.withIndex()){

            if (word == "Kim"){
                return "김서방은 ${idx}에 있다"
            }

        }

cg4jins

class Solution {
    fun solution(s: String): Boolean {

        if (s.length != 4 && s.length != 6){
            return false
        }

        for (c in s.toCharArray()){
            if (!c.isDigit()){
                return false