Method main6

ch2/RequestParamTest.java:59–65

(int year)

// =======================================================================
	
	@RequestMapping("/requestParam6") 
	public String main6(int year) {   
//		http://localhost/ch2/requestParam6        ---->> 500 java.lang.IllegalStateException: Optional int parameter 'year' is present but cannot be translated into a null value due to being declared as a primitive type. Consider declaring it as object wrapper for the corresponding primitive type.
//		http://localhost/ch2/requestParam6?year   ---->> 400 Bad Request, nested exception is java.lang.NumberFormatException: For input string: "" 
		System.out.printf("[%s]year=[%s]%n", new Date(), year);
		return "yoil";
	}
	
	@RequestMapping("/requestParam7") 
	public String main7(@RequestParam int year) {