I have one method which returns the string but I want the data inside the method in StringBuilder and convert it into string then how can I do it? From above example field.getTitle(), field.getField() are of String type And if I want the data in StringBuilder and needs to convert it into string but if I tried … Read more
When i tried running this code I get this error..I dont know where i went wrong..
Yes, an abstract class can have a constructor. Consider this: The superclass Product is abstract and has a constructor. The concrete class TimesTwo has a constructor that just hardcodes the value 2. The concrete class TimesWhat has a constructor that allows the caller to specify the value. Abstract constructors will frequently be used to enforce class constraints or invariants such as … Read more
Basically you shouldn’t do exact comparisons, you should do something like this:
This question has been asked before, but even after reading: Java “Get” and “Set” Methods Java Get/Set method returns null And more I still don’t understand how to solve my problem. When accessing variables in a class using get methods from another class I receive the value null. How do I recieve my correct values … Read more
i am executing simple Dependency Injection program of spring & getting this exception. I have already included common-logging1.1.1.jar and spring.jar file. Could you please help to out?
Did you include the hamcrest-core-1.3.jar file in your classpath? If not included means include that jar and try once again.
I’m a newbie to java. Can anyone pls help me with resolving the error arrayindexoutofboundsexception. and here is the exception:
If that’s a SQLException thrown by Java, it’s most likely because you are trying to get or set a value from a ResultSet, but the index you are using isn’t within the range. For example, you might be trying to get the column at index 3 from the result set, but you only have two … Read more