declare a map in java code example

Example 1: create map java

Map<String, Integer> map = new HashMap<>();

Example 2: java create map

Map <Integer, Point2D.Double> hm = new HashMap<Integer, Point2D>();
hm.put(1, new Point2D.Double(50, 50));

Example 3: java map declaration

Map< String,Integer> hm =  
                        new HashMap< String,Integer>(); 
       hm.put("a", new Integer(100)); 
       hm.put("b", new Integer(200)); 
       hm.put("c", new Integer(300)); 
       hm.put("d", new Integer(400));

Example 4: how to create a hashmap in java

HashMap<Integer,String> map=new HashMap<Integer,String>();//key is integer, value is String

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Java Example