Join the social network of Tech Nerds, increase skill rank, get work, manage projects...
 

How to solve ArrayIndexOutOfBoundsException in Java?

I want to insert a csv data into a MySQL table. When I run the code, I've got the following error message. Any suggestions? java.lang.ArrayIndexOutOfBoundsException: Index 3 out of bounds for length 3     at BudgetTrackerCu...

Help me to this error in java I am new to coding

this is the code: import java.util.Scanner; public class Bill { public static void main(String[] args) { // smiley 30 strips 40 milk 20 Scanner sc = new Scanner(System.in); System.out.println("Choose one o...

Java code error: One curly brace is missing

Following is my code-  import java.util.Scanner; public class Sample { public static void main (String [] args){ Scanner myObj = new Scanner (System.in); System.out.println(Hello.Do you want to check your cuteness percentage...

How to resolve casting error in my Java program

I am trying to get data from a database using 3 Jcomboboxes and then put the data in a Jtable and i am getting a empID=(int)employees[selectedIndex-1][1];  public void updateTable() { int selectedIndex=employeeCmb.getSelectedInd...

Kotlin developer required to solve a problem

Hello,   Im looking for someone to help me with a competitive coding\problem solving exam on an exam bank website.   I'm an expert at my field but I don't like to solve problems that's integer based. &nbs...

Dequeue remove from the tail using node

hey there! whenever i run my program it works well but when im at removeTail() it crashes at last value,it works to delete from the back when im at the last value it crashes,any help? hope it makes sense. import java.util.Scanner; public ...

R2dbc Rest Api relation problem

Hi everyone, I am write simple project in Webflux Rest api not problem the response. My problem is that the code is working, but the response is wrong, so for example the label has 3 but 6 returns, the projects are repeated, I don't und...

java

Assume the central government wants to develop a GUI application to survey and estimate the awareness of the schemes among the people of India and promote the scheme which is least popular. Construct a GUI to get the Aadhar card number from the ...

How do I display the number of clients that placed an order for a particular product?

I'm a beginner in java and I want to display the number of clients that placed an order for a particular product on my MVC WebApp. I came up with a logical way of doing this but I stumbled upon a dead end. Here's what I tried to do. An...

How to make these 2 rectangles collide and BOUNCE back

For the code below I managed to make these rectangles collide and bound at the Jpanel border, but why is that these rectangles do not bound each other when they collide, instead they overlapped each other? I think there is a problem in my action...

JAVA program to calculate compound interest annually, semi-annually, quarterly, monthly and daily

problem : a Java program interest.class that calculates the total interest income on amount Taka 5 Lakhs in a period of 10 years. Show the results for simple interest, compounded interest when the compounding is done annually, semi-annually,...

How to set flag value in config.properties file and fetch the flag value in java class

I want to set flag value (0===AD login,1===nomad login,2 both way)in properties file of my spring project and in login.java file  how to set flag value from properties file as If flag value is set in properties file as 1 then authenticate...

Request for solving the following problem in Java

Given a list of Strings (that contains both palindromes and nonpalindromes), write a method that returns a list of all the palindrome strings. TIP: Use static method references of Functional Interfaces  

How to write the following Java Program

design and implement the following structure for your organization. You must follow the instructions given below 1 – Name of you organization is your surname. For example, if your name is “john wicki”, then “wicki”...

find the largest palindrome made from the product of 3 digit numbers java

Can some one please explain what is done in the following code. I found it in in Stack overflow.  I asked the question in the same web site and got the following reply Stackoverflow isn't meant for the purpose of explaining code . Sin...

How to Parse json Using Java to Get Desired Output

I am new to java development. I am learning JSON parsing. I got JSON response something like this.     1 "sizePrices": [ { "cargoHandoverPrice": 0.00, &q...

How to Group Json Response with Keys in Java

 I am new to java development. I am learning JSON parsing. I got JSON response something like this.     1 "sizePrices": [ { "cargoHandoverPrice": 0.00, "sizeC...

List of Most Popular Computer Programming Language in 2020.

The most important skill to learn in today’s world is to know about how to write a computer program. Today, computers are used in almost every industry. it is also used in an aircraft to perform an autopilot operation.   The prog...

Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured in ...

I got failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured in spring boot   I am working on spring boot import batch processing with gradle, YML properties file, but ...

Executing Stored Procedure using Spring JDBC Template

Technology: Spring-jdbc is the abstraction framework, it take care the below following list:   1) Defining connection parameters 2) Open Connection 3) Specify the statement 4) Prepare and execute statement/prepared statement ...

How to Split String From a Javascript File into Two Array String

I want split string from file into two array string......   file contain this-   Bangladesh= 109.408 India= 92.7478 Pakistan= 200.550 USA= 1.29221 Europe= 1.16989 UK= 1 SA= 4.85180 Australia= 1.90035 Can...

What is Containerization in Java?

Running software in containers is gaining in popularity for developers. Containers are typically collections of pieces of software and environment, running together in a single system. Developers take these systems and test them in the form of co...

How to Insert an Excel Table into Oracle Database

        Am trying to insert am excel table into oracle database and when i try i get issuesmy table to the database doesnt get formatted correct                     ...

How to Use Class For Sending Notification In Android?

I wanna create a library for sending a notification to my android app but i don't know how it works and what kind of data I should give to the function in the class. this is my code for sending a notification but I don't know how to put i...

How to Convert Json String to Json Object Containing XML

I want to convert json string to json object. I am using the following method.   public List<BusinessProcess> convertJsonToObject(String json)             throws JsonParseException, J...

How to Implemented Bulk Read from CouchBase in Java Code

I have written a code in Java to read multiple documents in bulk from a Bucket in CouchBase. I have made it functional somehow, but I don't understand how it works.    I'm making my project on NetBeans IDE. I copied this c...

How to Translate a C# Code into Java Language?

I need to translate this c# code into java, please     string sourceAddress = @"input.txt";   string astAddress = @"AddressSymbolTable.txt";   firstPass(sou...

How to Write a Two Pass Assembler Code in JAVA

I need a two-pass assembler code in java that takes input as assembly language code from text file and convert it to binary code according to the two flow charts in morris mano book Computer System Architecture.

How to Resolve Invoation Target Exception Error in JAVA

public class MainGUI extends Application {          public void start(Stage primaryStage) {                  class deck {      &nbs...

Complex Software Algorithm Problem (Java/C#)

Hi,   Can someone please assist in solving the attached complex software algorithm problem as attached (using Java or C#)   Thank you in advance

Drawing a circle on ImageView2 in same coordinates as ImageView1 if i tap a place in ImageView 1 and Vice versa

I'm trying to make find the difference game app, but I never made anything like that and since I'm a new to development I'm stuck well baby Steps are always needed to learn xD **I read in some documentation that i have to get ea...

Java and Its Role in Shaping Big Data and IoTs Future

Data is, beyond question, among the most pivotal factors when it comes to running a successful business. This rising popularity of the potential of data has served as the gateway to the adoption of Big Data. While it throws open the window to use...

Encryption and Decryption Code Transposition Algorithm in JAVA

I need to make some simple edits on trans-position encryption and decryption code, anyone interested please say

Accounting for Unaccounted Time Spent Serving a Request in JAVA

We have an API which returns xml results based on queries, the server is running Tomcat 7.0.53. I've been trying to determine how much time is spent processing and serving the request, and there is a significant amount of time (104ms, on aver...

How to Solve Diamond Interface Inheritance Problem in JAVA?

Hello. I'm trying to solve the following problem. I have 4 interfaces that are in a diamond shape and 2 classes. The requirements is to make the method calls work, while keeping f1 as the interface of x. Can you guys give me a hand? ...

Top 7 New Tools that Every Java Developer Should Know Today

Platform independence! It’s one the major reasons of the ever popularity of the Java language. It’s no wonder that organizations of all sizes and types are integrating it into their processes, not to mention the fact that Android is r...

How to start implementing a project ?

Hi, I'm senior computer information systems student, I'm trying to enhance my programming skills in OOP and data structures. I've created a simple application for each algorithm I've learned it's theory in the college such a...

How to Fix Java Code for Developing Product Calculator?

Write a program requesting a number (n), then ask n numbers more and print their product (use "for"!). The requested "n" number must be integer and positive. (The multiplied numbers must not be positive!)   The resu...

How to Change Array List to Integer or Double in JAVA Program

Hi   How can I change an array list to integer or double?   this is my code and i want show answer like a number and i use it not just print it...   import java.util.*; public class JavaApplication28 { p...

How to Instantiate JAVA Interface if Implementation is not Available?

If I have the interface accessible from all modules, but implementation cannot be accessible, how can I instantiate this from other modules?   If I have 3 modules, one module is accessible to all which has my interface, and the other 2...

How to Fix Null Pointer Exception When calling Implementation Via Interface from Another Module

When I try to call an implementation from another module via interface, I get null pointer exception   I need help! I get nullpointer exception, after deployment. I have an interface AirlineClient in 'com.airline.model.hook...

How to Create Response in Controller Class for Success & Internal Server Error

I want to code for success and internal server error response message in my controller class. I need format of code. Please anyone please help me I'm using springs. The message should be like this:      ...

Create a Delete Method for API : Error Method Map Undefined

@DeleteMapping("/term/{id}") public ResponseEntity <?> deleteTerm (@PathVariable(value="id")Long termId) { return ((Object) termService.findById(Id)).map(term -> { termService.delete(term); return Resp...

How can I Control the Cache for a Subpage?

I am starting on web-security and I have to control the cache on the portal, this portal has many urls. I understand that I need to set the header with this: response.setHeader("Cache-Control","no-cache,no-store,must-revalid...

How to Call a Class (with parameters) into Another Class in Android

Android Studio:   Hi everyone. How's it going? I'm having trouble with calling the Matrix class into the Main Activity. Basically, when the lock button is pressed, the matrix class should run/be active. I'm not sur...

How to Call Parametrized Method from LibraryCollection Class to Main Class

Hi Everybody!!  I am working on library management system project. Below is my LibraryCollection class. I would like to call my checkOutMaterial() method in the main class.  I need help on how to call the method.  Any help wo...

How to Implement Java Concurrency Code

Java!! Concurrency Code   You have been given a simple API to buy and print postage. Write a program that submits each incoming order to the API and then prints the shipping label.   Unfortunately each call to the shippin...

How to Compare Two Text Files in Java Programming Application

How can I Compare Two Text Files each line with all line in other file separated by two colons in java programming. Text file content should like this: 1.txt : accountsservice :: 0.6.40-2ubuntu11.3 :: None :: amd64 :: None 2.txt : cron...

Unhandled exception type XmppStringprepException

import org.jivesoftware.smack.tcp.XMPPTCPConnection; import org.jivesoftware.smack.tcp.XMPPTCPConnectionConfiguration; import org.jxmpp.jid.DomainBareJid; import org.jxmpp.jid.EntityBareJid; import org.jxmpp.jid.Jid; import org.jxmpp.jid.i...

How to Implement Callback in Android to Communicate Between Classes & Fragments

Callback is a way to inform a class synchronous/ asynchronous when an event occurs. A simple way to create a generic callback is to use interface with a method in which JSON is passed.     So, In this tutorial, I will guide...
prev 1 3 … 8
Sign In
Forgot Password?
                           OR                           
Create an account !!
                           OR                           
Register

Sign up using

                           OR                           
Forgot Password
Fill out the form below and instructions to reset your password will be emailed to you:
Reset Password
Fill out the form below and reset your password: