최고다최코딩

public long solution(String numbers) {

long answer = 0;

int len = numbers.length();

while(numbers.length()>2){

if(numbers.startsWith("zero")){

answer= answer*10;

numbers= numbers.replaceFirst("zero","");

}else if(numbers.startsWith("one")){

answer= answer*10+1;

numbers=numbers.replaceFirst("one","");

}else if(numbers.startsWith("two")){

answer= answer*10+2;

numbers=numbers.replaceFirst("two","");

}else if(numbers.startsWith("three")){

answer= answer*10+3;

numbers=numbers.replaceFirst("three","");

}else if(numbers.startsWith("four")){

answer= answer*10+4;

numbers= numbers.replaceFirst("four","");

}else if(numbers.startsWith("five")){

answer= answer*10+5;

numbers= numbers.replaceFirst("five","");

}else if(numbers.startsWith("six")){

answer= answer*10+6;

numbers= numbers.replaceFirst("six","");

}else if(numbers.startsWith("seven")){

answer= answer*10+7;

numbers= numbers.replaceFirst("seven","");

}else if(numbers.startsWith("eight")){

answer= answer*10+8;

numbers= numbers.replaceFirst("eight","");

}else if(numbers.startsWith("nine")){

answer= answer*10+9;

numbers= numbers.replaceFirst("nine","");

}

if(numbers.length()<3)break;

}

return answer;

}

public long solution2(String numbers) {

return Long.parseLong(

numbers.replaceAll("zero", "0")

.replaceAll("one", "1")

.replaceAll("two", "2")

.replaceAll("three", "3")

.replaceAll("four", "4")

.replaceAll("five", "5")

.replaceAll("six", "6")

.replaceAll("seven", "7")

.replaceAll("eight", "8")

.replaceAll("nine", "9")

);

}

public long solution3(String numbers) {

String[] numbers_arr = {"zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"};

for (int i = 0; i < numbers_arr.length; i++) {

numbers = numbers.replaceAll(numbers_arr[i], String.valueOf(i));

}

long answer = Long.parseLong(numbers);

return answer;

}

public int solution(int[] numbers, int k) {

Queue<Integer> list = new LinkedList<>();

for (int j = 0; j < numbers.length; j++) {

list.offer(numbers[j]);

}

for (int i = 0; i < k-1; i++) {

list.offer(list.poll());

list.offer(list.poll());

}

return list.peek();

}

public int solution2(int[] numbers, int k) {

return numbers[(2*k-2)%numbers.length];

}

public @interface MyAnnotation {

String value() default "http://www.naver.com";

}

@Retention(RetentionPolicy.RUNTIME)

@Target(ElementType.METHOD)

@Documented

@Inherited

public @interface LoginCheck{

@LoginCheck

@GetMapping("/user_logout_action")

public String user_logout_action(HttpSession session) {

session.removeAttribute("sUserId");

session.invalidate();

return "redirect:user_main";

}

<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>

<c:forEach items="${guestList}" var="guest">

<tr>

<td width=50 align=center bgcolor="ffffff" height="20">${guest.guest_no}</td>

<td width=300 bgcolor="ffffff" style="padding-left:10"><a

href="guest_view?guest_no=${guest.guest_no}" class="user">${guest.guest_title}</a></td>

<td width=120 align=center bgcolor="ffffff">${guest.guest_date.substring(0,10)}</td>

</tr>

</c:forEach>

<c:if test="${sUserId!=null}">

<s:message code="menu.id" arguments="${sUserId}"/>

</c:if>

<c:choose>

      <c:when test="${empty sUserId }">

             <s:message code="menu.id" arguments="${sUserId}" />

      </c:when>

</c:choose>

<%@ taglib prefix="s" uri="http://www.springframework.org/tags"%>

<s:eval expression="'KIM'.replace('K','N')"/>

문자열리터럴(SPEL):<s:eval expression="'KIM'.replace('K','N')"/> 

숫자리터럴(SPEL):<s:eval expression="12345+347834687"/>

논리리터럴(SPEL):<s:eval expression="true"/>

request.setAttribute("price", 345345435);

request.setAttribute("user", new User("id", "password", "name"));

<s:eval expression="price"/> <!--345345435 출력-->

<s:eval expression="user.name"/><!--name 출력-->

<s:eval expression="${price}+3455"/> == <s:eval expression="price+3455"/>

<s:eval expression="new java.text.DecimalFormat('###,###.0').format(price)"/>

@Component("elBean")

public class SpringELBean {

private String member;

public SpringELBean() {

member="KIM";

}

public String printMembers() {

return member;

}

<s:eval expression="@elBean.member"/><br/>

<s:eval expression="@elBean.printMembers()"/><br/>

@GetMapping("")

public String controllerParams(HttpServletRequest request,

HttpServletResponse response

, HttpSession session) {

}

@GetMapping("")

public String controllerParams(WebRequest webRequest

, Locale locale

, InputStream is

, Reader reader

, OutputStream os

, Writer writer) {

}

@GetMapping("")

public String controllerParams(ModelMap model

, Model model2

, Map map ) {

}

@GetMapping("")

public String controllerParams(@ModelAttribute  User userModel

, @ModelAttribute("xxUser") User userModel2

, @ModelAttribute  User userModel3, BindingResult bindingResult

, @ModelAttribute  User userModel4, Errors errors) {

}

@GetMapping("")

public String controllerParams(SessionStatus sessionStatus) {

}

@GetMapping("")

public String controllerParams(@RequestBody String body) {

}

@GetMapping("")

public String controllerParams(@Value("#{commonprop['os.name']}") String osName ) {

}

@Autowired

Environment environment;

@Bean

public DataSource apacheDataSource() {

BasicDataSource dataSource=new BasicDataSource();

dataSource.setUrl(environment.getProperty("spring.datasource.url"));

dataSource.setUsername(environment.getProperty("spring.datasource.username"));

dataSource.setPassword(environment.getProperty("spring.datasource.password"));

return dataSource;

}

public class WebAppInitConf implements WebApplicationInitializer {

@Override

public void onStartup(ServletContext servletContext) throws ServletException {

/**********1.DispatcherServlet등록***************/

AnnotationConfigWebApplicationContext context =

new AnnotationConfigWebApplicationContext();

context.register(WebConfig.class);

ServletRegistration.Dynamic dynamic=

servletContext.addServlet("dispatcherSevlet", new DispatcherServlet(context));

dynamic.setLoadOnStartup(0);

dynamic.addMapping("/");

/********2.config 설정 클래스[ApplicationConfig.java,WebConfig.java]를사용한설정******/

//ApplicationConfig.java

AnnotationConfigWebApplicationContext applicationContext =

new AnnotationConfigWebApplicationContext();

applicationContext.register(ApplicationConfig.class);

//Listener등록

servletContext.addListener(new ContextLoaderListener(applicationContext));

//WebConfig.java

AnnotationConfigWebApplicationContext servletConfig = new AnnotationConfigWebApplicationContext();

servletConfig.register(WebConfig.class);

ServletRegistration.Dynamic dispatcherServlet = servletContext.addServlet("dispatcherServlet", new DispatcherServlet(servletConfig));

dispatcherServlet.setLoadOnStartup(1);

dispatcherServlet.addMapping("/");

//encodingFilter설정

FilterRegistration.Dynamic filterRegistration = servletContext.addFilter("encodingFilter", new CharacterEncodingFilter("UTF-8", true));

filterRegistration.addMappingForUrlPatterns(null, true, "/*");

}

}