Nov 28, 2012 · In Java 8, methods can be created as Lambda expressions and can be passed by reference (with a little work under the hood). There are plenty of examples online with lambdas being …

I am looking into Spring Data JPA. Consider the below example where I will get all the crud and finder functionality working by default, and if I want to customize a finder, that can be also done e...

Oct 24, 2012 · Is it not strange to create an object in the definition of the same class than in response the object create a new object then this new object create another and the infinite loop begins No, …

May 24, 2016 · Afaik, Java and most typed languages don't overload methods or functions based on return type. For instance public int getValue(String name){} is indistinguishable from public boolean …

System.out.println("Method is finished!"); Internally I'm using a class that implements Runnable and do some Reflection work to get the correct method object and invoking it. I want some opinion about my …

As well as using the techniques above which add a field to the enumerated type you can also use a pure method based approach and polymorphism. This is more "OOP style" but I would not say it is …

Sep 3, 2010 · How do I create Directory/folder? Once I have tested System.getProperty("user.home"); I have to create a directory (directory name "new folder" ) if and only if new folder does not exist.

May 29, 2015 · The problem with truly dynamically generating the method names is that, as others have commented, it would have to be done in bytecode which means that other classes trying to use your …

Sep 29, 2013 · 0 you cannot create methods within methods in Java. You can have it as an additional method of your class and call it form main.

2 Create a Object of a ArrayList and pass reference to different methods. Example create a ArrayList Object in main class and pass it to addString & display method.