オブジェクト指向けいかくその5.2
実装のぶぶん
import java.util.ArrayList; import java.util.List; public class ArrayList2 { private List<String> arrayResult = new ArrayList<String>(); public String nameAdd(String name) { arrayResult.add(name); int index = arrayResult.size() - 1; String getName = arrayResult.get(index); return getName; } public Boolean contain(String name) { Boolean judge = arrayResult.contains(name); return judge; } }