jasonqu · April 24, 2014 06:53
diff --git a/map type check difference in java and scala b/map type check difference in java and scala
 // in scala, map type error could be check in compile time
 val map = Map(1 -> "a")
 map.get("a")

 // in java, it cannot
 Map<Integer, String> map = new HashMap<>();
 map.put(1, "a");
 map.get("a");
	// in scala, map type error could be check in compile time
	val map = Map(1 -> "a")
	map.get("a")

	// in java, it cannot
	Map<Integer, String> map = new HashMap<>();
	map.put(1, "a");
	map.get("a");