혀가 길지 않은 개발자

MVVM (Model + View + ViewModel) build.gradle (Module: app) android { dataBinding { enabled = true } } 데이터 바인딩 사용하기 위함 activity_main.xml bindingadapter/BindingAdapters.java package com.jwsoft.javaproject.bindingadapter; import android.view.View; import android.widget.LinearLayout; import androidx.databinding.BindingAdapter; public class BindingAdapters { @BindingAdapter("android:JamesVisible") pu..

MVP (Model + View + Presenter) activity_main.xml model/Player.java package com.jwsoft.javaproject.model; public enum Player { O, X, NULL } model/Cell.java package com.jwsoft.javaproject.model; public class Cell { private Player player; public void setPlayer(Player player) { this.player = player; } public Player getPlayer() { return this.player; } } model/Board.java package com.jwsoft.javaproject..

MVC (Model + View + Controller) activity_main.xml View 역할 model/Player.java package com.jwsoft.model; public enum Player { O, X } model/Cell.java package com.jwsoft.model; public class Cell { private Player value; public void setValue(Player value) { this.value = value; } public Player getValue() { return value; } } model/Board.java package com.jwsoft.model; public class Board { private Cell[][]..

import java.util.Iterator; import java.util.LinkedHashSet; public class JavaTest { public static void main(String[] args) { LinkedHashSet set = new LinkedHashSet(); set.add(3); set.add(1); set.add(2); set.add(1); set.add(1); set.add(1); Iterator iterator = set.iterator(); while (iterator.hasNext()) { System.out.println(iterator.next()); } } } 중복되는 값은 허용하지 않음. 입력한 순서대로 데이터를 관리하여 순서대로 출력.

import java.util.Iterator; import java.util.TreeSet; public class JavaTest { public static void main(String[] args) { TreeSet set = new TreeSet(); set.add(3); set.add(1); set.add(2); set.add(1); set.add(1); set.add(1); Iterator iterator = set.iterator(); while (iterator.hasNext()) { System.out.println(iterator.next()); } } } 자동 정렬이 돼서 출력됨. 중복되는 값은 허용하지 않음.