How to send HTTP request in java? [duplicate]

How to send HTTP request in java? [duplicate]

This question already has an answer here: How to use java.net.URLConnection to fire and handle HTTP requests 12 answers In Java, How to compose a HTTP

How do I remove repeated elements from ArrayList?

How do I remove repeated elements from ArrayList?

I have an ArrayList of Strings, and I want to remove repeated strings from it. How can I do this? 1:If you don't want duplicates in a Collection, you should consider why you're using a Collection that allows duplicates. The easiest way t

How to solve java.lang.NoClassDefFoundError?

How to solve java.lang.NoClassDefFoundError?

I've tried both the example in Oracle's Java Tutorials. They both compile fine, but at run-time, both come up with this error:Exception in thread "main" java.lang.NoClassDefFoundError: graphics/shapes/Square at Main.main(Main.java:7)Caus

How to download and save a file from Internet using Java?

How to download and save a file from Internet using Java?

There is an online file (such as http://www.example.com/information.asp) I need to grab and save to a directory. I know there are several methods for grabbing and reading online files (URLs) line-by-line, but is there a way to just download

Configuring Gradle with Kotlin

Configuring Gradle with Kotlin

I am trying to use kotlin with gradle, but I am unable to succesfully create a project with Intellij Idea 15.I've create simple project with two modules hello-java and hello-kotlin. hello-java is plain java project and it is compiling and r

Enclosing class vs Declaring class

Enclosing class vs Declaring class

Are there any circumstances in which Class.getDeclaringClass could give a different result from Class.getEnclosingClass?I thought it may be to do with a subclass of the outer class instantiating an inner class that was not declared as stati

UITextView data change swift

UITextView data change swift

How can you detect a change of data in a UITextView with Swift? The following code does not do any detection.I am declaring the UITextView :@IBOutlet weak var bodyText: UITextView!optional func textViewDidChange(_ textView: UITextView!) {

implement AOP for Controllers in Spring 3

implement AOP for Controllers in Spring 3

How do I implement AOP with an annotated Controller?I've search and found two previous posts regarding the problem, but can't seem to get the solutions to work.posted solution 1posted solution 2Here's what I have:Dispatch Servlet:

How to show message if no internet available in my android webview

How to show message if no internet available in my android webview

Hi I am working with android webview application.I uses my the url succesfully in my app and it works only if internet connection available .But I want to show some messages when there is no internet connection.how can i do this ???please h

How to send an image from Android client to Node.js server via HttpUrlConnection?

How to send an image from Android client to Node.js server via HttpUrlConnection?

I am trying to send an image to the server using HttpUrlConnection, because it's recommended by Google. I decided to convert the image into Base64 string and send it to the server where I decoded it into .jpg file. But this method is only f

opening a shell and interacting with its I/O in java

opening a shell and interacting with its I/O in java

I am trying to open a shell (xterm) and interact with it (write commands and read the shell's output)Here is a sample of code which won't work:public static void main(String[] args) throws IOException { Process pr = new ProcessBuilder("x

using AutoCompleteTextField in wicket without String as the generic type

using AutoCompleteTextField in wicket without String as the generic type

This question follows this: handling to onchange event of AutoCompleteTextField in wicketI'm trying to use the AutoCompleteTextField with a custom class as the generic type, and to add an AjaxFormComponentUpdatingBehavior. What I mean is I

Android HttpURLConnection: Handle HTTP redirects

Android HttpURLConnection: Handle HTTP redirects

I'm using HttpURLConnection to retrieve an URL just like that:URL url = new URL(address);HttpURLConnection connection = (HttpURLConnection) url.openConnection();connection.setInstanceFollowRedirects(true);// ...I now want to find out if the

Netty Client to Server message

Netty Client to Server message

This is actually my first post on here and I have been trying to figure this out for some time but I am finally calling in the flag and going to try to get some help on this topic.So I have a Client and a Server that was modeled after the e

Is there a performance overhead to a private inner class in Java?

Is there a performance overhead to a private inner class in Java?

When I have inner classes with private methods or fields the compiler has to create synthetic package-protected accessor methods to allow the outer class to access those private elements (and vice-versa).To avoid that, I usually make all fi

Check if a process exists in go way

Check if a process exists in go way

If I have the PID of a process, is os.FindProcess enough to test for the existing of the process? I mean if it returns err can I assume that it's terminated (or killed)?Edit:I've just wrote a wrapper function around kill -s 0 (old-style bas

Go: Named type assertions and conversions

Go: Named type assertions and conversions

If I have a custom type that simply redefines a pre-defined type with a name:type Answer stringAnd I try to use it in a function that accepts the pre-defined type:func acceptMe(str string) { fmt.Println(str)}func main() { type Answer

Reading files with Intellij idea IDE

Reading files with Intellij idea IDE

I am a long time eclipse user and I have started to play around with IntelliJ Idea IDE.So from my understanding. A project in IntelliJ is the same as the Eclipse Workspace. As well, a module in IntelliJ is the equivalent of a project in ecl

Jenkins parameterized job that only queues one build

Jenkins parameterized job that only queues one build

Imagine a Jenkins job A which takes 1 minute to run, and job B which takes 5 minutes. If we configure job A to trigger job B, while job B is running job A may run 5 times before B completes. However, Jenkins doesn't add 5 builds to job B's

Javac Cross-Compilation with 1.7

Javac Cross-Compilation with 1.7

So guys,I'm trying to play a bit with Javac Cross compilation with Ant and on terminal. Locally and on an integration environment and i'm having the same problem on the very basic problem.I run this in the linux terminal (and also on my cyg

How to clear console in Java - Eclipse SDK

How to clear console in Java - Eclipse SDK

I've searched far and wide, but haven't found something that works... There HAS to be a way!!! So, what I need is a code that clears the console in Eclipse (makes it blank). And NO, not printing 50 blank lines, CLEARING IT! I found this: Im

String to Date Conversion in Spring 4.0

String to Date Conversion in Spring 4.0

I am educating myself on Spring 4.0.0 M3Following is the code,Beanpackage org.chebus.springs;import java.util.Date;public class Traingle { private String name; private int height; private Date date; public String getName() {

HTTP POST request with JSON String in JAVA

HTTP POST request with JSON String in JAVA

I have to make a http Post request using a JSON string I already have generated. I tried different two different methods : 1.HttpURLConnection2.HttpClientbut I get the same "unwanted" result from both of them. My code so far with HttpURLCon

Compressing with Java Decompressing with PHP

Compressing with Java Decompressing with PHP

I have a situation where a servlet is providing compressed data to a PHP script. I compress the data on the Java side no problem, but PHP seems unable to decompress. Here is the relevent code snippets Java Side: OutputStream o=response.ge

Get folder size

Get folder size

Do you know how can I get the folder size in Java?The length() method in the File class only works for files, using that method I always get a size of 0. 1:Use apache-commons-io, there's a FileUtils class with a sizeOfDirectory methods