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Is there a Null OutputStream in Java?
...r an API I'm using, but I don't actually have a need for the output. Does Java have an OutputStream equivalent to > /dev/null ?
...
What are the relationships between Any, AnyVal, AnyRef, Object and how do they map when used in Java
...imitations of the JVM.
This arises out of the fact that not everything in Java is an object. In addition to objects, there are primitives. All objects in Java are descendant from java.lang.Object, but primitives are set apart and, presently*, not extensible by a programmer. Note also that primitive...
Regex Named Groups in Java
It is my understanding that the java.regex package does not have support for named groups ( http://www.regular-expressions.info/named.html ) so can anyone point me towards a third-party library that does?
...
How do I add a new sourceset to Gradle?
...t source set in addition to the main and test source sets:
apply plugin: "java"
sourceSets {
// Note that just declaring this sourceset creates two configurations.
intTest {
java {
compileClasspath += main.output
runtimeClasspath += main.output
}
...
How to run a JAR file
...onstration, but here's another one from scratch. You need two files:
Test.java:
public class Test
{
public static void main(String[] args)
{
System.out.println("Hello world");
}
}
manifest.mf:
Manifest-version: 1.0
Main-Class: Test
Note that the text file must end with a n...
Where to find Java JDK Source Code? [closed]
I would like to see what a method in the Java API does. So I want the JDK Source Code.
Before I re-installed Linux I had the src.zip package with all the official source code in it. I just had to tell Eclipse where this file is and I could see the code. But now I don't have the file anymore...
...
How do you crash a JVM?
...up? are you sure? The documentation says "Terminates the currently running Java virtual machine by initiating its shutdown sequence ... all registered shutdown hooks, if any, are started ... all uninvoked finalizers are run" - isn't that the proper cleanup?
– user85421
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Setting the default Java character encoding
...rd Grech points out, in a special case like this, the environment variable JAVA_TOOL_OPTIONS can be used to specify this property, but it's normally done like this:
java -Dfile.encoding=UTF-8 … com.x.Main
Charset.defaultCharset() will reflect changes to the file.encoding property, but most of t...
How to read all files in a folder from Java?
How to read all the files in a folder through Java?
31 Answers
31
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How to really read text file from classpath in Java
...ng else is wrong.
So for example, take this code:
package dummy;
import java.io.*;
public class Test
{
public static void main(String[] args)
{
InputStream stream = Test.class.getResourceAsStream("/SomeTextFile.txt");
System.out.println(stream != null);
stream = T...