import java.util.HashMap; import java.util.Map; public class Demo { public static void main(String args[]) { Map<Integer, String>map = new HashMap<>(); map.put(10, "A"); map.put(20, "B"); map.put(30, "C"); map.put(40, "D"); map.put(50, "E"); map.put(60, "F"); map.put(70, "G"); map.put(80, "H"); System.out.println("Map = \t" + map); map.put(30, "T"); System.out.println("Updated Map = \t" + map); } }
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