32,206 Topics
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| | I need help to create a class named rectangle that contains -fields for length and width -setters and getters for the fields -a constructor that accepts length and width as parameters -an overloaded 0-arg constructor that sets field values to 0 -a method named computeArea that accepts no parameters and …  |
 | I need help to create a program that will accumulated sales for any given month. The total for each month will be stored in an array. There can be more than one entry for any given month and they do not have to be entered in any order. After all …  |
 | ## Introduction ## While **Functional Interfaces** and **Function Types** are used to declare the types of a function, **Function Literals** create the actual implementations of these types. In this tutorial, we will learn what Kotlin **Function Literals** are and how to create them. ## Goals ## At the end of …  |
| | ## Introduction ## Whenever I want to express method parameters, return type or variables as a *method* in Java, I often find myself having to do a bit of work: 1. If I cannot remember which pre-made **functional interface** to use, then I will have to look up the list … |
| | ## Introduction ## When working on Java applications, it is very likely that you will run into JDBC at some point. While you are unlikely to have to work directly with JDBC when using frameworks, it is still important to know how the connection is established and how queries are … |
| | You must write a small application in JAVA for items and their prices. Your program must: 1. Create an array of item names. Use the following item names: Bread, Milk, Butter, Chips, Honey, Soap, Towel, Carrots, Beans, Samp, Dress, Pants, Shoes, Socks. 2. Create an array of item prices. Use …  |
| | User interface (UI) design is a process used by designers to create interfaces in software, such as computer devices, that focus on appearance or style. Designers want the interfaces to be easy to use and user-friendly. User interface design covers graphical user interfaces and other forms - such as voice-controlled … |
| | I don't want to pass ssh key through a file. I want to pass it along with the ssh command only along with user@ip. Can I modify that ssh command? Can anyone provide me the command to pass rsa key along with user?  |
| | ## Introduction ## When following tutorials on Daniweb, you might have run into one that requires knowledge about **Dependency Injection** as a prerequisite. People might also sometimes use the term **Inversion of Control** interchangeably with DI. These terms are related to one another, but they are not the same. In … |
| | ## Introduction ## Java annotations are often used to provide extra information for compilers, IDEs, and build tools. The extra information is often used to enhance the development cycle, such as reducing boilerplate, eliminating repetitive code, or warning against unsafe usage or mistakes. This tutorial aims to teach you the … |
| | So I have a method which takes upto 4 hours to execute. I need to stop this method within the first 30 mins of execution and have the available results upto that 30 mins of time only. Can someone help me with this? I have tried many things to terminate … |
 | Jaluh is making a room inventory in the Hostel where she is working. They have 16 rooms labelled as A-P. She is doing this manually that it will consume more time. Make a program that will automatically be identified if the room is taken or not. An array code.. ANYONE …  |
| | You must write a small application in JAVA for items and their prices. Your program must: 1. Create an array of item names. Use the following item names: Bread, Milk, Butter, Chips, Honey, Soap, Towel, Carrots, Beans, Samp, Dress, Pants, Shoes, Socks. 2. Create an array of item prices. Use … |
| | Write a program that converts temperature from degrees Fahrenheit to degrees Celsius .The formula is C = (5.0/9.0) (F-32) |
| | Which declaration of the main method below would allow a class to be started as a standalone program. Select the one correct answer. public static int main(char args[]) public static void main(String args[]) public static void MAIN(String args[]) public static void main(String args) public static void main(char args[]) WHAT IS … |
| | I was working on an infix to postfix program (using stacks), but something went wrong somewhere. Please check whether my intopost technique is right because I am getting the output as infix without conversion. //stack class also containing the intopostfix method import java.util.*; public class Stack { int i,j; char … |
| | Write a program that prompts the user to input a four - digit positive integer.The program then outputs the digits of the number one digit per line |
 | Yes I finally decided to continue on with my programming efforts. I would like to be able to refer to myself as a master programmer, but I may not have that much time, after all I am almost 80 years old. Right now I'm delving into C++ and finding it …  |
| | Hello, I am developing android java filemanager app.. I used checkbox to check 1/file.mp4 2/folder(files+sub folders) . How can i add copy paste feature for checked 1, 2 file folder fully at same time ?like -google filemanager app.. Advance Thanks |
| | public class Clock { private int newHour; private int newMinutes; private int newSeconds; public Clock () { } public Clock (int newHour, int newMinutes, int newSeconds) { this.newHour = newHour; this.newMinutes = newMinutes; this.newSeconds = newSeconds; } public int getNewHour(int newHour){ return this.newHour; } public int getNewMinutes (int newMinutes){ return … |
| | ArrayList<MArry> databas = new ArrayList<MArry>(); //Add data into the databas databas.add(new MArry("Timothy", "SS1")); databas.add(new MArry("Olayemi", "SS2")); System.out.println("Student\tClass\n"); for (MArry myarry: databas) { System.out.printf("%s \n", myarry); } /*Please I need someone to check this out. Each time I run the code the output I'm getting is the memory address of the … |
 | Hello All, I am working on a project which based on python and java both and I am good at java. I want to know which programming language support high database connectivity? According to this [source](https://www.interviewbit.com/blog/java-vs-python/), Java provides stable connectivity but not an idea about python? Can anyone tell me … |
| | Can anyone help me on how can I fetch data of only current login user using Retrofit? For web development I do it like this "SELECT * FROM job_register WHERE job_assign ='{$_SESSION['username']}' AND job_status = '' " How can I implement this using Retrofit in Android? |
| | Hello, May I know why the frame pops up double when I call it? Thank You! Login.java (line 63); import java.awt.Font; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.BufferedReader; import java.io.FileReader; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JTextField; public class Login{ JFrame frame = new JFrame(); JButton loginButton = … |
| | I want to open JFrame (created from NetBeans) using the java class, but the JFrame is not showing up. I run the code from Eclipse. Here my class: (line 67) import java.awt.Font; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.BufferedReader; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.FileWriter; import java.util.Scanner; import javax.swing.JButton; … |
| | I'm trying to get a text at the customer.txt to validate if the customer has already registered Here is my code: import java.awt.Font; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.BufferedReader; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.FileWriter; import java.util.Scanner; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPasswordField; import … |
| | Hello, I search many days about this problem. I'm curious if in a text file it's possible to sort words in a language in alphabetical order and in another language to ignore them using ArrayList?  |
 | Hi DW. Anyone who knows how can I achieve this? `List<String> dynamic[i];` The reason why I need this is that I'm creating a dynamic list with nested lists so there's no fixed number of data the list can be, this is inside the `for` statement which receive the json data … |
| | I don't get what's the problem with this Dictionary created using Arraylist and Socket . I get SocketException error I don't know why also I tried to created a method to read.... ClientCode: import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.net.Socket; import java.util.Scanner; import java.net.SocketException; public class Client … |
 | I'm trying to create two car objects, that move across the frame, in opposite directions, at different heights so they don't collide. This type of programming is new to me, and after following the only example I'm provided with, I still can't get this to work. All the code I … |
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