Java has no Type Inference that makes code become verbose

Verbose.java

// Java 9
final Map<String,Integer> abc = Map.of("a",1, "b", 2, "c", 3);

// Java >= 5
final Map<String,Integer> abc = new HashMap<String, Integer>() {{  
    put("a",1);
    put("b",2);
    put("c",3);
}};

final Integer c = abc.get("c");

// Question: 
// If you are asked to refactor from Map<String,Integer> to Map<String,String>,
// try to estimate the efforts!