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Development Java

How to have a method that was found true to display another method underneath? Java

I am a novice, I figured out all of my code except one part. Fake radio station I need to display a method that contains a message underneath a method that has been found true. if (seek.equals(“down”)) { for (int i = 0; i <= 10; i++) { int rmdTest = rmd.nextInt(10); found = rmdTest […]

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Development Java

Implementing Queue Using single stack in java

I’m trying to implement a queue using single stack using recursion. But I am struggling to implement the deQueue() method. This method has to return the first inserted element in the queue which is nothing but the last element in stack. The below code is not working for me. Please correct it and share. public […]

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Development Java

java.lang.VerifyError: Verifier rejected class. Code working fine in debug mode, but not throwing this error in release mode

Please help on this error.Below is error logcat: Caused by: java.lang.VerifyError: Verifier rejected class edu.mit.jwi.morph.SimpleStemmer: java.util.List edu.mit.jwi.morph.SimpleStemmer.getNounCollocationRoots(java.lang.String) failed to verify: java.util.List edu.mit.jwi.morph.SimpleStemmer.getNounCollocationRoots(java.lang.String): [0x50] register v6 has type Reference: java.lang.Object but expected Precise Reference: java.lang.String java.util.List edu.mit.jwi.morph.SimpleStemmer.getVerbCollocationRoots(java.lang.String) failed to verify: java.util.List edu.mit.jwi.morph.SimpleStemmer.getVerbCollocationRoots(java.lang.String): [0x60] register v7 has type Reference: java.lang.Object but expected Precise Reference: java.lang.String

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Cryptocurrency Development Ethereum HTML Java

If you need a server to store HTML and java script code, then what is the use of the block chain?

I have been studying block chain for a while, and I came to know that decentralisation of data is its greatest pros. From my understanding, if block chain is massively adopted in the future, we will no longer need servers, since everything will be stored on the block chain. Currently, we can store solidity smart […]

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Development Java Javascript

How to Parse Data from a Table with No Obvious Class IDs using Javascript in Eclipse

I am trying to parse data from sites with a format similar to this one to retrieve surface observation for weather stations using Jscript (https://mesowest.utah.edu/cgi-bin/droman/meso_base_dyn.cgi?stn=KSLC&unit=0&timetype=GMT) I have developed a script that allows me to take user input of any site and parse the title and a brief description, but I don’t appear to be able […]

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Development Java

Java Question Containts Abstract, Interface and Exception

Design an interface named Colorable with a void method named howToColor(). Design a class named Triangle extending GeometricObject and implementing Colorable. Triangle implements howToColor method to display the message “Color all three sides”. Triangle implements thetoString method to display its color and its sides. In a triangle, the sum of any two sides is greater […]

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Database Development Java SQL

Schema-based multitenancy: getting “java.sql.SQLException: No database selected” from time to time

My code written in Java, and I using Spring JDBC Template for accessing MySQL database. My system is a multi-tenant and each tenant has its own dedicated schema in MySQL (e.g. “tenant_1”, “tenant_2”, etc). This is how database connection being initialized: During bootstrap, I creating a bean exposing DataSourceTransactionManager, which is initialized by DataSource configured […]

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Development Java

Initializing empty string with n lines and then populating line i later on (Java)?

I need to initialize a string with n lines and then populate line i of that string later on. How can I do this

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Development Java

read files from directory and check if a words exists in file or not java

So I have a directory that contains 2 docs,each one contains 1 txt file like this : Directory\doc1\file1.txt Directory\doc2\file2.txt and I have another file that contains some words, I’m trying to read all files in both docs and check if the words exist (1) or not (0) to build a binary matrix. This is what […]

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Development Java

How to make parallel call in Java 8

How can I make parallel calls in Java 8? I need to call an endpoint by sending the data via a patch to be updated. Since there is so much data, I don’t want to do a forEach() for each one, but I want to do it in parallel and continue the process only when […]