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Write a Java Program to Sort map by keys
PROGRAM: Java Program to Sort map by keys
/*Java Program to Sort map by keys*/
import java.util.HashMap;
import java.util.Map;
import java.util.TreeMap;
class Main {
public static void main(String[] args) {
// create a hashmap
Map<String, String> languages = new HashMap<>();
languages.put(“pos3”, “JS”);
languages.put(“pos1”, “Java”);
languages.put(“pos2”, “Python”);
System.out.println(“Map: ” + languages);
// create a tree map from the map
TreeMap<String, String> sortedNumbers = new TreeMap<>(languages);
System.out.println(“Map with sorted Key” + sortedNumbers);
}
}
