How does dependency injection work in Spring?

I want to know how spring does dependency injection. I want the low level logic used. Updates: I want to know how the object references are injected to the constructors or setter methods, is it …

Switch between a TextView and EditText

Is this possible to interchange a TextView and an EditText. Like display the text when needed, but allow editing when needed. Is there a method (as in NON-XML) way of editing a TextView or non-editing …

Can java run a compiled scala code?

Can command java run a compiled scala code? If so, why do we have an exclusive command scala?

@override annotation in JDK 1.6

I’m using JDK1.6. When I implement an interface and in the implementing class, if I give @override before my function names, Eclipse throws an compilation error. i.e. below code is wrong according to …

java.sql.SQLException: Exhausted Resultset

I get the error java.sql.SQLException: Exhausted ResultSet to run a query against an Oracle database. The connection is via a connection pool defined in Websphere. The code executed is as follows: if (…

Calling super super class method

Let’s say I have three classes A, B and C. B extends A C extends B All have a public void foo() method defined. Now from C’s foo() method I want to invoke A’s foo() method (NOT its parent B’s …

What is this: [Ljava.lang.Object;?

I get this when I call toString on an object I received from a function call. I know the type of the object is encoded in this string, but I don’t know how to read it. What is this type of encoding …

How do I retrieve default validation messages from Hibernate Validator?

I’m trying to retrieve a default validation error-message using MessageSource. The code I’m working with uses reflection to retrieve the value of the message parameter. On a constraint that does not …

“unable to locate Spring NamespaceHandler” error

I’m creating a stand-alone Sava application with Spring, to handle the JDBC access. The application works fine on every test and I decided that I need a jar to be deployed our clients. They might not …

Is there an equivalent to memcpy() in Java?

I have a byte[] and would like to copy it into another byte[]. Maybe I am showing my simple ‘C’ background here, but is there an equivalent to memcpy() on byte arrays in Java?