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I want to run my java application (i.e. Leshan Server) run Azure Linux VM. My VM is configured as dynamic IP. It is showing two IP addresses. These are virtual IP Address-1.1.1.1 0.0.0.0 (priv...
I work on a project using Java 8 We have a negative test similar to this: public Integer g(Object data) { try { Double d = (Double)data; } catch(ClassCastException ex) ...
I'm trying to make an application in Java to check my password security. This is what I already did: import java.util.Arrays; public class BruteForce { public static void main(String[] args)...
When appending the subset of a String to a String object, the last position in the number of characters specified by the append statement is NOT included as part of the return object. However, when
I am able to get mail subject and body contents using Java Api. But in my application i received a template in an email which contains a url behind an image. I need to get that url, I found that ...
The idea of polymorphism sounds great on paper. In real life someone joins a new project and starts working on this code: class Tom extends Cat implements Male { temperature temperature = Tom.
I have already configured the java enviroment and installtion path
I am making a class to deal with a friend list scenario using an ArrayList and I'm not sure what I have done wrong. The "java.lang.NullPointerException" occurred the moment I called the addFriend m...
I'm trying to use mysqldump with java to create a dump for my database. I've done the code but the condition if(processCompleted == 0) never happens for some reason that I can not understand. And ...
I have an error with occuring in my tomcat server and I have no idea on how can I solve it : I think that there are some classes missing but I have not idea of what is missing, here below the follo...
I was writing lots of code in Eclipse when suddenly unpredictable shutdown has occurred. Now when I open Eclipse I have only the window in workspace and very long one line (crossed red line). I've...
Are Java 8 Streams safe return types for public methods, in that it would be impossible to mutate the underlying object given a stream from it? For example, if I have a List and return list.stream...
I have a Java program that sent messages to an external Rest API. This API can handle a payload with a max size of 500KB only. My messages are stored in a BlockingQueue. I was wondering if there i...
we have a java8 web application running on tomcat8.5.47 server.we have only 20-60 users sessions per time but most of time up to 600mb uploading files on server.we also use hibernate and c3p0 for m...
I have an application which uses neo4j embedded database. Now, I want to migrate to neo4j server as I need to integrate this application with a web app (using servlets, tomcat). I want to change the
I am using the Tensorflow Java Api to load an already created Tensorflow model into the JVM. I am using this as an example: tensorflow/examples/LabelImage.java Here is my simple scala code: impor...
I'm trying to integrate my github Java/PHP project with travis-ci environment. This is my travis configuration: language: java jdk: - openjdk7 - oraclejdk7 script: mvn test Below is the outpu...
I have a method attempting to transpose a ArrayList containing an ArrayList of string, called matrix and return the new array. I found Transposing Values in Java 2D ArrayList, but it looks like i...
I have a byte[] array and I have to convert it to "Unicode, UnicodeWithBOM e.t.c" I tried ICU library but unable to find any solution. is there any functions available in ICU for java to
Can someone please enlighten me as to why I don't get a ClassCastException in this snippet? I'm strictly interested into why it isn't working as I was expecting. I don't care at this point whether ...

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