Questions tagged as 'java'

Tagged questions
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Ping and Ipconfig by pop-up window in Java Netbeans

Good day everyone, I write to see how I can do an Ipconfig and a ping in java netbeans by popup window in which I ask the user the ip you want to ping, I currently have it to appear by console but I can not pass it to appear by window emergent....
asked by 20.05.2018 / 21:08
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Use of Notify () & Wait

I'm doing an ination between 2 threads, but I need to use the Notify and Wait but I've never used them, the problem I have is that after putting in wait mode the thread and then send a notify the thread is still in a state of wait and I do not k...
asked by 19.05.2018 / 19:19
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I can not read object file in Java

My problem is with ObjectOutputStream , it only works when I write an object the first time. If I add another object to that file, it sends me the following Exception: java.io.StreamCorruptedException: invalid type code: AC at java.io.Ob...
asked by 18.05.2018 / 11:21
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I can not extract the data from the "text" object of a json, I need to do it in java

This is the json that I get from the Google Vision API, I need to extract the "text" Object from the "responses" array, it would be very helpful if I could extract that data. { "responses":[ { "textAnnotations":[],...
asked by 25.05.2018 / 16:43
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Deform a figure in from any java point

Recently they left me with a project for the school which consists of initially showing a square which I can deform from any part of it, either to create a star or a doodle. I use wl eclipse WindowBuilder plugin to show the square but I do not k...
asked by 17.05.2018 / 23:35
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Clean an EditText that has a String stored

I am creating an app in Android Studio, and I want at some point what was written in the EditText is deleted or the box is cleaned, and try everything and I can not fix it. This is my code: public void check1(View view){ String RESP =...
asked by 17.05.2018 / 23:11
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why a final method in a final class?

I've realized that I can have a final method in a class final , and based on what I understand as final with the single class final , no method of the class can be implemented anymore, so I would like to know if there i...
asked by 17.05.2018 / 01:42
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Capitalize first letter a word [duplicated]

I want to capitalize the first letter of all the words in a phrase  EJ:    hello world And the expected response is:    Hello World I'm using java and I have not managed to generate a method that can do it.     
asked by 19.11.2017 / 18:25
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CONTROLLERS IN JAVA

Good afternoon I have a problem with a controller in java, it does not delete or edit me but if I list and register now I have enough problems with the drivers since there is not much material on the Internet how to do them with IEE JSF java. I...
asked by 21.05.2018 / 17:56
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How to save image inside a project folder?

I am working on a project in which you have the option to register products, each product has an image, the question is that I know how I can save that image obtained in a folder within the same project. Here is the method where I capture and...
asked by 21.05.2018 / 20:54