35,618 Topics
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| | Hi Experts, I want to ask if there is a way if the user input a character it will handle an exception and go back again to the menu but in my code it wont go back to the menu. Thank you public class main { public static void main(String[] …  |
| | Hi. I have a little problem with my code. I want to cast a complete arrayList to a different type, but java wont let me... Here is a compressed version of what is happening: [CODE] //The interface I use. public abstract interface Drawable{ //some methods } //A class that is … |
| | Hi Experts, Appreciate your help or advise as I am stuck. The user will input all of the objects (like name, gender, age) into the system. Once, user input it will write to a file. The program should only handle file handling. is my program correct? Thank you in advance … |
| | Hi Experts, I have a question. I have an object and want to insert in a text file. Before inserting, I want to check if it is duplicate. If no duplicate is found, I will insert the object. If yes, will not insert an object? Do I need a collection …  |
| | def findMaximumPath(mat): rows = cols = len(mat) count_list = [] for i in range(rows): summ = 0 mat_index = [rows-1, cols-1] curr_index = [0, i] summ = mat[curr_index[0]][curr_index[1]] while curr_index[0] != rows-1 and curr_index[1] != cols-1: if mat[curr_index[0]][curr_index[1]+1] > mat[curr_index[0]+1][curr_index[1]]: curr_index[1] = curr_index[1] + 1 else: curr_index[0] = curr_index[0] + … |
| | I would like to know how it working. Here is the question.. isnt it put the method Iterable positions();? Please help me to figure it out. Suppose we want to extend the PositionalList ADT with a method, indexOf(p), that returns the current index of the element stored at position p. … |
| | how to code a 6/49 lottery draw using java and only random and scanner only is used. |
| | I would like to know how it working. Here is the question.. isnt it put the method Iterable positions();? Please help me to figure it out. Suppose we want to extend the PositionalList ADT with a method, indexOf(p), that returns the current index of the element stored at position p. … |
| | Hi, I would like to ask regarding File Handling in Java. I am creating a program for my school project and we should use file handling only (.txt) not database. When I add a product (with product code, product name, price, etc), I want to save it in a file. … |
 | Hi! I have been developing and distributing Standalone Java Products in my local market for 4 years. My products include, POS Softwares for Retail and whole Sale Businesses and for Food Businesses such as Restaurants and cafes. I use Apache Derby Database which is also known as 'JavaDB' as database … |
| | /** * @param args the command line arguments */ public double averagegrades(double total, double average) { average = total/5; return average; } public static void main(String[] args) { Scanner input = new Scanner(System.in); double[] grades = new double[5]; double total = 0; double average = 0; for(int i=0; i<5; i++){ … |
| | The Action Driver Class when it runs it just brings up a small box with java logo and close and minimize options thats all...... I have reviewd the code over and over and my instuctor said to just review my work... I am so lost.... |
| | I'm trying to convert a Java code into Python. I could adapt most of the code, however, it is difficult to me to link all the functions. The java code is used in Weka. I would like a stand-alone python code. The algorithm in the code is presented in this …  |
| | I have a form with dropdowns. Based on that form input you should be able to view the details of multiple employee's in another JSP. I cannot get this to work and when testing, the arraylist employeesList size returns zero. My code is below - can anyone see where I … |
| | <LEGEND ><b><%=pagetitl%>:-</b></LEGEND> <div id="container"> <div id="dynamic"> <table cellpadding="0" cellspacing="0" border="1" class="display" id="example" style="width:98%;" > <thead > <tr style="background-color:#E6E6FA;border-color:#a7c9de;"> <th style="border-color:#a7c9de;" >File ID</th> <th style="border-color:#a7c9de;" >Title</th> <th style="border-color:#a7c9de;" >Name</th> <th style="border-color:#a7c9de;" >Last Refresh Date/Time</th> <th style="border-color:#a7c9de;" >Refresh Now</th> </tr> </thead> <tbody> </tbody> </table> |
| | New to Java and would appreciate the help with the assignment: Write a program to collect exam grades from keyboard until an invalid grade (grade less than 0 or bigger than 100) inputted. Find how many grades were entered, the corresponding average grade, how many grades above 90, and how … |
| | Hi! I need a suggestion for learning Java programming in a best and easiest way. |
| | i need help on : we sum the balances of all of the Accounts ?? print the total sum. print the owners of all the Accounts that have balances < 100 ? Danny is generous – and wants to deposit 72 into all accounts with balances < 100 How many … |
| | Hey folks, Need your help:) Wanted to understand the concept of method overloading and overriding in Java, as explained in Q.7 [here](https://www.interviewbit.com/java-interview-questions/). How do we identify a problem, to which we can apply the above concept? |
| | this is the task given to me guix i hope you can help me Create a program that will read the data from a file and save the output in another file 1.Create an input file named **CS122Grades**. 2.The contents of the input file should be the **names**,**midterm grades** and … |
| | public class Hello { public static void main (String[] args) { System.out.println("My contact number is: "); int srv = 82; system.out.println(srv);  |
| | Hello, I have a program below where I am selecting a file and displaying the content using a JTextArea. It works fine, but when I add a JScroller, it does not display the area with the scroller. What am I doing wrong? import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.io.*; … |
| | Hi everybody!! I want to make a vehivle license plate recognition system in java but dont have any idea how to implement it in java.If anyone could give me link to how use java for image processing,it would be of great help Waiting for reply |
| | hi guys, am new here i want to learn how to code java am a starter and i will like to learn it as fast as posible |
| | I want to do code array with topic bmi.....can you give one example? |
| | Ahun ni mi Eni ba temi je I need a script that constantly scans a token on etherscan and notifies me when a large order goes through. I should be able to set the following parameters 1. the token eg Celsius, DAI 2. large order size eg 50,000 I can … |
| | I need a software that can automatically log into a series of accounts to a website, available data acount list, we need software to automatically log in continuously to check whether the account is alive or dead and check. check nickname in the game, and amount in the account |
| | Write a program that prompts the user to input (word/statement), Accepts only letters. The program then: 1.Remove all the vowels from the (word /statement) then output the (word /statement) without vowels. 2. Outputs the number of vowels. 3. Convert the lowercase vowels letters to uppercase and vice versa. Conditions: 1. …  |
| | a. Create an application to calculate the GPA of a student. b. GPA calculation must also take into account courses / subjects with UM status (Repeat Subjects). c. The number of subjects / courses entered by students / system users is not fixed. d. Students only need to enter the … |
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