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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...

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 ...

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

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? ...

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 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...

Where to Place Audio Files to Get Rid of Not Found Exception Error in JAVA Program?

  I am working on a game in java and I have a class that reads an audio file as InputStream and then plays that file through AudioPlayer. I keep getting a file not found exception. I have tried placing the audi...

How to Solve Array Problem in Java?

Monk was surprised to see a new game called, "Conversion Game". In this game, two arrays of N integers A1,A2...AN and B1,B2...BN are playing against each other and Array A wants to convert itself in Ar...

How to write a function that looks up values from a table within a range?

In the database I have a table for Users, and one table that is used as lookup. it holds scores and values.  i.e 10 5 15 6 20 7 After form submission, on the Users table a value like 12 is persisted. What I need is, a function to g...

Show large resultset from database into jtable with scroll pagination in java swing

Hello all, I am very new to java, so please ignore if you think this question is stupid. A task has been assigned to me in which I have to extract data from h2 database table with **more than 1 crore rows (SAD) from one table.** And finally show...

How do you know whether to make a class, a subclass, an abstract class, or an interface?

I usually write code as I go along, but I noticed this takes more time in the long run especially when I lose track of what codes does what where, but I wanted to start planning my code by making UML class diagrams and mockups. However, like t...

Help with java defensive programming technique

I have a the following four classes..  FTPApplication- Models FTP commands in a modular, extendible way. This abstract class provides several methods used by both the client and server. ServerSession- Models an FTP session with a client...

How to Allow 2 Users One at a Time to Place Their Ships on a Board

Please check the code below and provide a solution for this:   package Gui; import java.util.Scanner; public class Board {     public static void main(String[] args) {         // TODO Auto-genera...

Design a registration.jsp page with input for user registration details

Design a registration.jsp page with input for user registration details like firstname, lastname, choose username, choose password, confirm password. After submitting this details, display the details onto the display.jsp page using struts

String-Print a string character then extract user entered letter match with that word and append it as different word

Problem- Its not entering the If loop in the code snippet, couldn't get what's wrong in this logic.   /* * To change this license header, choose License Headers in Project Properties. * To change this template file, ch...

Node of list

Hi, all programmers. I can't solve this question. Can help me to solve this question. Because next Tuesday need submit my assignment. Thanks.

Data Structure and Design for Java object model based on Aggregating Data?

Am working on a coding exercise which I am somewhat confused on how to implement a solution.  According to the JavaDoc, I have to implement this EmployeeManager interface. Presume that employee data arrives in a separate thread from ot...

java problem

  what is the problem here?please help me package help; import java.util.Date; import java.sql.*; import java.util.logging.Level; import java.util.logging.Logger; public class Help { public static void main(String[] args)...

Difference between an Interpreter and a Compiler?

Hello Everyone, I am stuck somewhere and it would be really great if you help me out regarding this query in order to clear my confusion. What's the difference between an Interpreter and a Compiler? Thank you

Write a program in java to evaluate and print the value of mathematical function: f(x,y) = 2x2 - y + 3

Write a program in java  to evaluate and print the value of the following mathematical function: f(x,y) = 2x2 - y + 3 Vary the values of x and y according to the following table and prints the values of f(x,y) as shown in the table. ...

Attachment Download Feature : Streaming huge(> 1 GB) data string from javascript to JSP

Hi All, Feature Goal : To send a huge(sized) string data from javascript side to JSP and download that data as an attachment to user's machine. Current behavior : We are sending limited sized data in post body (<= 25M...

Server Side Programming

1.Modify the web.xml to turn off the three test filter filters and turn on the LogResponsesCookiesFilter filter. 2.Note how the filter works with the cookies. 3.Modify the LogResponsesCookiesFilter. The filter you implemented needs to add a...

How to resize attach image and view it (can see original size)?

Hye. I am Nabilah and below is my Java code at Jframe in netbeans. It is code about attach file or imageto display to Jframe.  Here I hope someone can help me 1. how to resize image (stadardize the size I upload) that already attached and...

Is it a good option to opt for game development for pitching up my career ?

Can anybody explain to me if libgdx is a worthy option to get into game development? I just came across it in my research for taking up Game Development as my career path but am confused like what are its advantages and limitations?  

Passing XML string to a stored procedure?

I am really really confused about how to convert string data that I get from a form and convert it to a XMLstring and pass the XML string to a stored procedure in Java. Please help me out. So, Let's say:- Post () method- String a = r...

Ask to complete the class

Hi, I was given a test to complete but unsure how I can use the apache commons in some methods. I have attached the file. Appreciate all your help.   package interview; import java.text.ParseException; import java.text.SimpleD...
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