Question : java remove map
Answered by : inquisitive-ibex-cmba3ck14he7
map.entrySet().removeIf(e -> <boolean expression>);Source : https://stackoverflow.com/questions/1884889/iterating-over-and-removing-from-a-map | Last Update : Fri, 31 Jul 20
Question : java remove map key
Answered by : wolf-in-penguinmug
/*Suppose a map*/
Map<T> map = new HashMap<>();
/*Insert 2 keys, and remove one*/
map.put('First', 'John');
map.put('Second', 'Tommy');
// Returns a value, you don't have to save it if you want
String removedValue = map.remove('First');Source : | Last Update : Tue, 03 May 22
Question : Removing Elements in java map
Answered by : softhunt
// Java program to demonstrate
// the working of Map interface
import java.util.*;
class Main { public static void main(String args[]) { // Initialization of a Map // using Generics Map<Integer, String> hashmap1= new HashMap<Integer, String>(); // Inserting the Elements hashmap1.put(1, "Apple"); hashmap1.put(2, "Banana"); hashmap1.put(3, "Mango"); // Initial Map System.out.println("Initial Map :"+hashmap1+"\n"); hashmap1.remove(new Integer(2)); // Final Map System.out.println("Updated Map :"+hashmap1); }
}Source : https://softhunt.net/java-map-with-examples/ | Last Update : Sat, 21 May 22