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How to get names of classes inside a jar file?
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Unfortunately, Java doesn't provide an easy way to list classes in the "native" JRE. That leaves you with a couple of options: (a) for any given JAR file, you can list the entries inside that JAR file, find the .class files, and then determ...
How do I call one constructor from another in Java?
...structor parameters are used, consider a builder. See Item 2 of "Effective Java" by Joshua Bloch.
– koppor
Nov 13 '12 at 20:16
5
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Java Mouse Event Right Click
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I've seen
anEvent.isPopupTrigger()
be used before. I'm fairly new to Java so I'm happy to hear thoughts about this approach :)
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How to call a stored procedure from Java and JPA
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JPA 2.1 now support Stored Procedure, read the Java doc here.
Example:
StoredProcedureQuery storedProcedure = em.createStoredProcedureQuery("sales_tax");
// set parameters
storedProcedure.registerStoredProcedureParameter("subtotal", Double.class, ParameterMode.IN);
stor...
What are “Groovy” and “Grails” and what kinds of applications are built using them?
...e Groovy on Grails when we have standard programming languages like C/C++, Java/J2EE, and .NET/C#?
Because of point 5.
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Difference between int[] array and int array[]
...l. The int array[] syntax was only added to help C programmers get used to java.
int[] array is much preferable, and less confusing.
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The superclass “javax.servlet.http.HttpServlet” was not found on the Java Build Path [duplicate]
...click your project name in Eclipse Project Explorer -> Properties -> Java Build Path, and check Apache Tomcat server to add it to your Java Build Path.
– user1457659
Jan 21 '16 at 21:03
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throwing an exception in objective-c/cocoa
...o avoid using exceptions for common error situations". The same applies in Java; it's bad practice to handle user input errors (for example) with exceptions. Not just because of resource usage, but also for code clarity.
– beetstra
Dec 7 '10 at 12:58
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Reading my own Jar's Manifest
...You can try checking whether getClass().getClassLoader() is an instance of java.net.URLClassLoader. Majority of Sun classloaders are, including AppletClassLoader.
You can then cast it and call findResource() which has been known - for applets, at least - to return the needed manifest directly:
URL...
What's the difference between the various methods to get a Context?
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I've needed basecontext to globally set the app language on startup (when it does not match that of the phone default lang).
– Tina
Feb 6 at 15:40
a...