Top "Core" questions

Difference between core and processor

What is the difference between a core and a processor? I've already looked for it on Google, but I'm just …

cpu core cpu-architecture

ConcurrentHashMap vs Synchronized HashMap

What is the difference between using the wrapper class, SynchronizedMap, on a HashMap and ConcurrentHashMap? Is it just being able …

java core

What is the use of static synchronized method in java?

I have one question in my mind , I read static synchronized method locked on class object and synchronized method locks …

java multithreading core

What is JAVA_HOME? How does the JVM find the javac path stored in JAVA_HOME?

I would like to know what is JAVA_HOME. Where do I set the path of javac.exe and java.…

java core

How to integrate ZXing Library to Android Studio for Barcode Scanning?

I've been looking all over internet how to include zxing library to my project, and I found this tutorial: http://…

android ide dependencies zxing core

Add image to JAR Java

I'm using some images in JFrame, I have given a path to load image into panel of the frame, but …

java resources jar core

Strings are objects in Java, so why don't we use 'new' to create them?

We normally create objects using the new keyword, like: Object obj = new Object(); Strings are objects, yet we do not …

java string core new-operator

2 bytes to short java

i'm reading 133 length packet from serialport,last 2 bytes contain CRC values,2 bytes value i've make single(short i think) using …

java type-conversion byte core short

Treeset to order elements in descending order

Here is the piece of code that I have used for Java 5.0 TreeSet<Integer> treeSetObj = new TreeSet<…

java core collections treeset

How to create new core in Solr 5?

Currently we are using Apache Solr 4.10.3 OR Heliosearch Distribution for Solr [HDS]

solr lucene core