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Correct idiom for managing multiple chained resources in try-with-resources block?
The Java 7 try-with-resources syntax (also known as ARM block ( Automatic Resource Management )) is nice, short and straightforward when using only one AutoCloseable resource. However, I am not sure what is the correct idiom when I need to declare multiple resources that are dependent on each ot...
How to save a BufferedImage as a File
I am using the imgscalr Java library to resize an image .
6 Answers
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Java String - See if a string contains only numbers and not letters
I have a string that I load throughout my application, and it changes from numbers to letters and such. I have a simple if statement to see if it contains letters or numbers but, something isn't quite working correctly. Here is a snippet.
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What is an EJB, and what does it do?
...t EJBs support both local and remote network access - including
via local java interface, transparent RMI, JMS async message and SOAP/REST web service,
saving from cut-and-paste jar dependencies with multiple (inconsistent?) deployments.
They are very useful for creating SOA services. When used for...
How to convert a String to CharSequence?
How to convert String to CharSequence in Java?
5 Answers
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Private vs Protected - Visibility Good-Practice Concern [closed]
...accessible from subclasses, and make that protected (and final, talking of Java, if you want to make it accessible but not overridable). But be aware that, as soon as you accept to have subclasses of your class, and there is a protected field or method, this field or method is part of the public API...
Why can outer Java classes access inner class private members?
I observed that Outer classes can access inner classes private instance variables. How is this possible? Here is a sample code demonstrating the same:
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How to write a Unit Test?
I have a Java class. How can I unit test it?
5 Answers
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What's the difference between ConcurrentHashMap and Collections.synchronizedMap(Map)?
... @AbdullahShaikh The issue raised in that article has been fixed in Java 7 and further improvements have been made in Java 8.
– pulse0ne
Dec 10 '15 at 20:07
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What is the need of JSF, when UI can be achieved with JavaScript libraries such as jQuery and Angula
...are available from jQueryUI, AngularJS, ExtJS, or even plain HTML, CSS and JavaScript.
8 Answers
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