import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Map.Entry; import java.util.Set; import java.util.function.Consumer; public class Main3_copy { public static void forEachTest(Consumer consumer, List list) { /*foreEach 해체*/ for(String s : list) { consumer.accept(s); } } public static void main(String[] args) { List names = new Arr..

Consumer 람다. import java.util.ArrayList; import java.util.List; import java.util.function.Consumer; public class Main3 { public static void forEachTest(Consumer consumer, List list) { /*foreEach 해체*/ for(String s : list) { consumer.accept(s); } } public static void main(String[] args) { List names = new ArrayList(); names.add("임지현"); names.add("신경수"); names.add("고희주"); names.add("문승주"); names.ad..