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What is the “Execute Around” idiom?
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// Code to use the stream goes here
}
});
// Calling it with Java 8 Lambda Expression:
executeWithFile("filename.txt", s -> System.out.println(s.read()));
// Or with Java 8 Method reference:
executeWithFile("filename.txt", ClassName::methodName);
The calling code doesn't need to ...
How to access java-classes in the default-package?
...working now together with others in a grails project. I have to write some Java-classes. But I need access to an searchable object created with groovy. It seems, that this object has to be placed in the default-package.
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What does the ^ operator do in Java?
What function does the ^ (caret) operator serve in Java?
17 Answers
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Why is IoC / DI not common in Python?
In Java IoC / DI is a very common practice which is extensively used in web applications, nearly all available frameworks and Java EE. On the other hand, there are also lots of big Python web applications, but beside of Zope (which I've heard should be really horrible to code) IoC doesn't seem t...
Why are the Level.FINE logging messages not showing?
The JavaDocs for java.util.logging.Level state:
7 Answers
7
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Open a link in browser with java button? [duplicate]
... catch (Exception e) {}
note: you have to include necessary imports from java.net
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How to return 2 values from a Java method?
I am trying to return 2 values from a Java method but I get these errors. Here is my code:
14 Answers
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SSH library for Java [closed]
Does anyone know of a good library for SSH login from Java.
7 Answers
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How to check if a String is numeric in Java
...tils.isParsable which basically checks the number is parsable according to Java. (The linked javadocs contain detailed examples for each method.)
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Difference between Java Enumeration and Iterator
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Looking at the Java API Specification for the Iterator interface, there is an explanation of the differences between Enumeration:
Iterators differ from
enumerations in two ways:
Iterators allow the caller to remove elements from the under...