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Core pool size vs maximum pool size in ThreadPoolExecutor
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From the doc:
When a new task is submitted in method execute(java.lang.Runnable),
and fewer than corePoolSize threads are running, a new thread is
created to handle the request, even if other worker threads are idle.
If there are more than corePoolSize but less than maximumPoolSi...
What is the point of “final class” in Java?
I am reading a book about Java and it says that you can declare the whole class as final . I cannot think of anything where I'd use this.
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Java / Android - How to print out a full stack trace?
In Android (Java) how do I print out a full stack trace? If my application crashes from nullPointerException or something, it prints out a (almost) full stack trace like so:
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How to convert int[] to Integer[] in Java?
I'm new to Java and very confused.
13 Answers
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How to read a text-file resource into Java unit test? [duplicate]
...ach case.
Quick way in JSE 6 - Simple & no 3rd party library!
import java.io.File;
public class FooTest {
@Test public void readXMLToString() throws Exception {
java.net.URL url = MyClass.class.getResource("test/resources/abc.xml");
//Z means: "The end of the input but for th...
How to increase the Java stack size?
...o this, and I've also got many useful answers and comments relevant to how Java handles the situation where a large runtime stack is needed. I've extended my question with the summary of the responses.
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Converting a string to int in Groovy
... and would like to convert it to an int . Is there a groovy equivalent of Java's Integer.parseInt(String) ?
13 Answers
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Why do Java programmers like to name a variable “clazz”? [closed]
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clazz has been used in Java in place of the reserved word "class" since JDK 1.0. "class" is what you want, but abbreviating or inserting junk ("a", "the", "_", etc) reduces clarity. clazz just says class. "International" English speakers (those rea...
Scala: write string to file in one statement
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A concise one line:
import java.io.PrintWriter
new PrintWriter("filename") { write("file contents"); close }
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How to convert an ArrayList containing Integers to primitive int array?
... code, but it is throwing compile time error. Is it possible to convert in Java?
18 Answers
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