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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...
Retrieve only static fields declared in Java class
...new ArrayList<Field>();
for (Field field : declaredFields) {
if (java.lang.reflect.Modifier.isStatic(field.getModifiers())) {
staticFields.add(field);
}
}
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What does `someObject.new` do in Java?
In Java, I have just found out that the following code is legal:
5 Answers
5
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Is there any good dynamic SQL builder library in Java? [closed]
Anyone knows some good SQL builder library for Java like Squiggle (not maintained anymore it seems). Preferably, a project in active development.
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What is the default access modifier in Java? [duplicate]
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From Java documentation
If a class has no modifier (the default, also known as package-private), it is visible only within its own package (packages are named groups of related classes — you will learn about them in a later ...
How to create war files
...ns
We'll assume that you have your code organized like:
${basedir}/src: Java files, properties, XML config files
${basedir}/web: Your JSP files
${basedir}/web/lib: Any JARs required at runtime
${basedir}/web/META-INF: Your manifest
${basedir}/web/WEB-INF: Your web.xml files
Set up
Define a set...
How to convert object array to string array in Java
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only on Java 1.6 and above
– newacct
Jul 5 '09 at 9:53
10
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Task not serializable: java.io.NotSerializableException when calling function outside closure only o
...}
object NOTworking extends App {
new Test().doIT
}
class Test extends java.io.Serializable {
val rddList = Spark.ctx.parallelize(List(1,2,3))
def doIT() = {
val after = rddList.map(someFunc)
after.collect().foreach(println)
}
def someFunc(a: Int) = a + 1
}
or you make someF...
CharSequence VS String in Java?
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But keep in mind this caveat from the CharSequence javadoc: This interface does not refine the general contracts of the equals and hashCode methods. The result of comparing two objects that implement CharSequence is therefore, in general, undefined. Each object may be impleme...
How to use MDC with thread pools?
...f things that need to be processed in the background. For that we use the java.concurrent.ThreadPoolExecutor and java.util.Timer classes along with some self-rolled async execution services. All these services manage their own thread pool.
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