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Access to private inherited fields via reflection in Java
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This should demonstrate how to solve it:
import java.lang.reflect.Field;
class Super {
private int i = 5;
}
public class B extends Super {
public static void main(String[] args) throws Exception {
B b = new B();
Field f = b.getClass().getSuperclas...
How do I generate random integers within a specific range in Java?
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In Java 1.7 or later, the standard way to do this is as follows:
import java.util.concurrent.ThreadLocalRandom;
// nextInt is normally exclusive of the top value,
// so add 1 to make it inclusive
int randomNum = ThreadLocalRan...
Easiest way to convert a List to a Set in Java
What is the easiest way to convert a List to a Set in Java?
16 Answers
16
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Execute another jar in a Java program
I had written several simple java applications named as A.jar, B.jar.
6 Answers
6
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How do I resolve the “java.net.BindException: Address already in use: JVM_Bind” error?
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@DiegoPino I am facing same error java.net.BindException: Address already in use (Bind failed) I used lsof -i:8080 and got tcp6 0 0 :::8080 :::* LISTEN 106872/java . What should I do ? Kill java ??
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How can I get the latest JRE / JDK as a zip file rather than EXE or MSI installer? [closed]
...e to be sure that everything will work just by copying the contents of the Java folder and setting the environment variables.
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Most efficient way to increment a Map value in Java
...time taken (in clock seconds) essentially using Ian Darwin's method in the Java Cookbook.
performed all five tests in series, and then did this another three times.
averaged the four results for each method.
Results
I'll present the results first and the code below for those who are interested.
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Retrieving the inherited attribute names/values using Java Reflection
I've a Java object 'ChildObj' which is extended from 'ParentObj'. Now, if it is possible to retrieve all the attribute names and values of ChildObj, including the inherited attributes too, using Java reflection mechanism?
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How to build sources jar with gradle
...s) {
classifier = 'sources'
from sourceSets.main.allSource
}
task javadocJar(type: Jar, dependsOn: javadoc) {
classifier = 'javadoc'
from javadoc.destinationDir
}
artifacts {
archives sourcesJar
archives javadocJar
}
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How to convert a clojure keyword into a string?
...orToString) ;;Calling ConvertVectorToString Function
Output will be:
1234
java.lang.string
10
java.lang.string
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