I’m trying to find an easy way to create a mutable byte array that can automatically append any primitive Java data type. I’ve been searching but could not find anything useful. I’m looking for something like this There is ByteByffer which is great, but you have to know the size of the buffe…
Tag: java
JDBC ResultSet: I need a getDateTime, but there is only getDate and getTimeStamp
I would like to get the DATETIME column from an Oracle DB Table with JDBC. Here is my code: I have to identify the column type first. The field I am interested in is recognized as a Types.DATE, but it is really a DATETIME in the DB since it has this format: “07.05.2009 13:49:32” getDate truncates …
I am trying to combine multiple csv files into one excel workbook as different sheets using java
I am able to create the sheets for different .csv files present in a folder in one Excel workbook using below java code But i am getting the data of all the csv file data in to single worksheet. i am unable to get the data same as the orginal .csv files into specified sheets Answer
How to use if else condition for searching element using WebDriver in Selenium?
I used else if concept I have not used try catch finally concept webdriver element finding using elseif loop how I want it to work : First it will check for “if” condition that is [if(driver.findElement(By.xpath(“username”)).isDisplayed())] and if it is not found it will not print any …
Mocking static methods with Mockito
I’ve written a factory to produce java.sql.Connection objects: I’d like to validate the parameters passed to DriverManager.getConnection, but I don’t know how to mock a static method. I’m using JUnit 4 and Mockito for my test cases. Is there a good way to mock/verify this specific use-…
Amazon SQS Long Polling not returning all messages
I have a requirement to read all messages in my Amazon SQS queue in 1 read and then sort it based on created timestamp and do business logic on it. To make sure all the SQS hosts are checked for messages, I enabled long polling. The way I did that was to set the default wait time for the queue
Get Random Element from Collection
I have a Collection how do I get a random Obj from it? I’ve checked the docs and there doesn’t seem to be a way, since iterator is the only way to access the collection. Do I have to …
Convert date in string(Mon Jan 16:20:12 India Standard Time 2014) to java.util.date in JAVA
I want to convert this (Mon Jan 16:20:12 India Standard Time 2014) Date in string to java.util.Date in java how can I do it. I want the date in the following format. Actually the Date (Mon Jan 16:20:12 India Standard Time 2014) is argument from MFC application which will be launching a executable jar file and…
Converting MultipartFile to java.io.File without copying to local machine
I have a Java Spring MVC web application. From client, through AngularJS, I am uploading a file and posting it to Controller as webservice. In my Controller, I am gettinfg it as MultipartFile and I can copy it to local machine. But I want to upload the file to Amazone S3 bucket. So I have to convert it to jav…
How to configure Maven shade plugin in a multi-module project?
I have been trying to get jar using Maven Shade Plugin, but I still don’t get a success. This is my project structure: Module1 (pom.xml): Module2 (pom.xml): MainModule (pom.xml): According this code I get 2 jar-files (Module1-version.jar and Module2-version.jar). But it is not what I want. I wish to get…