Nettet14. okt. 2011 · So all <=32bit primitives can be casted easily and long (64bit) requires special casting. It seems illogically. All illogical things as usual has explanation in … Nettet23. apr. 2012 · There are a couple of ways to convert a double value to a long value in Java e.g. you can simply cast a double value to long or you can wrap a double value into a Double object and call it's longValue () method, or using Math. round () method to round floating-point value to the nearest integer. What happens when you add a double value …

java.lang.Integer cannot be cast to java.lang.Long解决办法 - CSDN …

Nettet关于Maven：Spring MVC Hibernate Crud示例应用程序. hibernate3 maven spring spring-transactions. Nettet14. aug. 2024 · When I want return result of query and put into list, I get error "java.lang.ClassCastException: class java.lang.Long cannot be cast to class … hm milan duomo

java.lang.Integer cannot be cast to java.lang.Long

Nettet20. aug. 2009 · Note that there is a difference between a cast to long and a cast to Long. If you cast to long (a primitive value) then it should be automatically boxed to a Long … NettetList result = query.list(); where query.list() is returning a BigInteger List instead of Long list. Try to change it to. List result = query.list(); Better option is use SQLQuery#addScalar than casting to Long or BigDecimal. Here is modified query that returns count column as Long Nettet23. apr. 2012 · How do you cast double to long? There are a couple of ways to convert a double value to a long value in Java e.g. you can simply cast a double value to long … h&m mini me