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Java 2022-02-15 14:50:19
how to print the map in java
import java.util.HashMap; import java.util.Iterator; import java.util.Map; import java.util.stream.Stream; class MapUtil { // Program to print all keys present in the Map using keySet() in Java public... Add solution -
Java 2022-01-23 20:35:06
java set foreach
List<String> items = new ArrayList<>(); items.add("A"); items.add("B"); items.add("C"); items.add("D"); items.add("E"); //lambda //Output : A,B,C,D,E items.forEach(item->System.out.println(... Add solution -
Java 2022-01-23 07:46:50
java 8 function supplier consumer
@Testpublic void whenNamesPresentUseBothConsumer(){ List<String> cities = Arrays.asList("Sydney", "Dhaka", "New York", "London"); Consumer<List<String>> upperCaseConsumer = list -> {... Add solution -
Java 2021-10-10 04:40:08
java zoneddatetime
LocalDateTime now = LocalDateTime.now(); System.out.println(now); System.out.println("ZoneId.systemDefault(): " + ZoneId.systemDefault()); // convert LocalDateTime to ZonedDateTime, with default system zone id ZonedDateTime zonedDateTime = now.... Add solution
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