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Why use @PostConstruct?
In a managed bean, @PostConstruct is called after the regular Java object constructor.
5 Answers
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How can I lookup a Java enum from its String value?
...says that static initialization occurs from top to bottom: docs.oracle.com/javase/specs/jls/se7/html/jls-8.html#d5e12267
– Selena
Oct 15 '14 at 18:22
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Determine if a String is an Integer in Java [duplicate]
...eturn false;
}
return true;
}
Alternatively, you can rely on the Java library to have this. It's not exception based, and will catch just about every error condition you can think of. It will be a little more expensive (you have to create a Scanner object, which in a critically-tight loop ...
How do you calculate log base 2 in Java for integers?
...values range exceeds long range ( float has much higher range than long in java)
– Naruto26
Aug 19 at 4:31
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How to test if one java class extends another at runtime?
...https%3a%2f%2fstackoverflow.com%2fquestions%2f3504870%2fhow-to-test-if-one-java-class-extends-another-at-runtime%23new-answer', 'question_page');
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EJB's - when to use Remote and/or local interfaces?
I'm very new to Java EE and I'm trying to understand the concept of Local interfaces and Remote interfaces. I've been told that one of the big advantages of Java EE is that it is easy to scale (which I believe means you can deploy different components on different servers). Is that where Remote and ...
Can I pass an array as arguments to a method with variable arguments in Java?
... is an Object[], so you can also call ezFormat(args) either way.
See also
Java language guide/varargs
Varargs gotchas #1: passing null
How varargs are resolved is quite complicated, and sometimes it does things that may surprise you.
Consider this example:
static void count(Object... objs) {
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How do you format the day of the month to say “11th”, “21st” or “23rd” (ordinal indicator)?
... in English. So, I suggest that if there's really no good solution in the Java world that is internationalization friendly that we start a project on, e.g., GitHub and create a good solution. Let me know if you're interested.
– Greg Mattes
Apr 7 '18 at 13:56
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How to clone ArrayList and also clone its contents?
How can I clone an ArrayList and also clone its items in Java?
21 Answers
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What is this: [Ljava.lang.Object;?
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[Ljava.lang.Object; is the name for Object[].class, the java.lang.Class representing the class of array of Object.
The naming scheme is documented in Class.getName():
If this class object represents a reference type that i...