import java.util.*; public class MapClearExample { public static void main(String[] args) { Mapmap = new HashMap<>(); map.put("A", 1); map.put("B", 2); map.put("C", 3); System.out.println("Before clear method: " + map); map.clear(); System.out.println("After clear method: " + map); } }
Before clear method: {A=1, B=2, C=3} After clear method: {}
import java.util.*; public class MapClearExample { public static void main(String[] args) { Mapmap = new TreeMap<>(); map.put("A", 1); map.put("B", 2); map.put("C", 3); System.out.println("Before clear method: " + map); map.clear(); System.out.println("After clear method: " + map); } }
Before clear method: {A=1, B=2, C=3} After clear method: {}This method belongs to the java.util package library.