A common pattern in Java, whenever there is a need retrieve data from a database or deserialize JSON is to pass the target object class as a parameter. A good example is Jackson's ObjectMapper#readValue method with following signature: javapublic<T>TreadValue(String content,Class<T> valueType) {...} Passing class as a parameter looks repetitive. Since <T> defines the type, why do we need to pass Class<T>? Why it can't be simplified to: javapublic<T>TreadValue(String content) {...} And most im...
