Android LocationServices.FusedLocationApi deprecated?

I couldn't figure out why LocationServices.FusedLocationApi.requestLocationUpdates(mGoogleApiClient,mLocationRequest...

How to change font size in Eclipse for Java text editors??

I have just tried to change my font size in Eclipse 3.6.0 in the following way: General → Appearance → Color...

java.lang.ClassNotFoundException: org.apache.xmlbeans.XmlException?

In order to read an xlsx file I'm using apache POI, I've downloaded the zip and placed the following jsrs in my serv...

HTTP Status 500 - java.lang.NullPointerException?

I am new in java , jsp an I'm trying to print some data from Mysql database using an index.jsp. As the title says I'...

package javax.servlet.http does not exist?

I have the jre7 and jdk1.7.0 installed along with the Tomcat 7.0 but it shows this error. servlet.http is not the on...

Eclipse: JVM terminated. Exit code=2?

I recently decided to start trying Android app development, so I downloaded the Java SE Development Kit 8 (x86) for ...

Resource leak: 'in' is never closed?

Why does Eclipse give me the warming "Resource leak: 'in' is never closed" in the following code? public void readS...

Add glow to a basic Java rectangle?

I've got a very basic rectangle drawing panel, but I would like to know if there is a simple way to add some sort of...

Deflate in Java, Inflate in Javascript, Z_DATA_ERROR?

I need to deflate some text in java, send it to NodeJS with WebSockets and inflate it in NodeJS. I use this code in...

“Build path entry is missing” error when trying to create a new project in Eclipse?

Build path entry is missing: org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launche...

Lombok @Builder not recognised by IntelliJ?

I updated IntelliJ IDEA to version 2018.2.7, and Lombok's @Builder annotation is not recognised anymore. The project...

How do I access nested HashMaps in Java??

I have a HashMap in Java, the contents of which (as you all probably know) can be accessed by HashMap.get("keyname"...

How to traverse through all possible paths to a solution and pick the optimum path?

I am not good at programmatically implementing a heuristic search algorithm / Dijkstra's algorithm/ A* search algori...