appkr

package com.vroong.neogeo.support.address.refiner;

import static com.vroong.neogeo.domain.AdditionalInfo.*;
import static com.vroong.neogeo.domain.RegionType.*;
import static com.vroong.neogeo.support.address.Regex.*;

import com.vroong.neogeo.domain.AddressEntry;
import com.vroong.neogeo.domain.AddressEntry.AddressEntryBuilder;
import com.vroong.neogeo.domain.Refinable;
import com.vroong.neogeo.support.address.Regex;

appkr

package com.nhn.jwt;

import com.auth0.jwt.JWT;
import com.auth0.jwt.algorithms.Algorithm;
import com.auth0.jwt.interfaces.ECDSAKeyProvider;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.collect.Maps;
import com.nimbusds.jose.*;
import com.nimbusds.jose.crypto.ECDSASigner;
import com.nimbusds.jose.jwk.Curve;

appkr

entity	entity
1	-
0 or 1	-o|
one and only 1	-||
many	-{
0 or many	-o{
1 or many	-|{

appkr

CREATE TABLE tablea (str varchar(8), PRIMARY KEY (str));
CREATE TABLE tableb (str varchar(8), PRIMARY KEY (str));
INSERT INTO tablea (str) VALUES ('A'), ('B'), ('C'), ('D');
INSERT INTO tableb (str) VALUES ('C'), ('D'), ('E'), ('F');

-- 합집합

appkr

package ...;

import org.springframework.stereotype.Component;

import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.HashSet;

appkr

$ which jconsole
# /Users/appkr/.jenv/shims/jconsole

$ jconsole

appkr

// @see https://github.com/madvirus/ddd-start

public enum OrderState {
  PAYMENT_WAITING {
    public boolean isShippingChangeable() {
      return true;
    }
  }, PREPARING {
    public boolean isShippingChangeable() {
      return true;

appkr

@Configuration
@EnableJpaRepositories("package.to.repository")
@EnableJpaAuditing(auditorAwareRef = "springSecurityAuditorAware")
@EnableTransactionManagement
public class DatabaseConfiguration {

    private final Logger log = LoggerFactory.getLogger(DatabaseConfiguration.class);

    @Bean
    @ConfigurationProperties(prefix = "spring.datasource.hikari.master")

appkr

• 부모 타입이 사용될 위치에 자식 타입을 사용하는 것
• 부모 타입 대신 대입된 자식 타입이 재정의(override)한 메서드를 사용함으로써, 어떤 자식 타입이 대입되느냐에 따라서 그 실행 결과가 다양해질 수 있음

public class Foo {
    void doSomething() { /*어떤 동작*/ }
}

public class Bar extends Foo {
    @Override
 void doSomething() { /*다른 동작*/}

appkr

(int) (Math.random() * A) + B

B 이상 (B + A) 미만의 랜덤 정수

---

example) 1~6 중 하나의 정수가 나오는 주사위