32,199 Topics
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 | Write a Java class Clock for dealing with the day time represented by hours, minutes, and seconds. Your class must have the following features: • Three instance variables for the hours (range 0 - 23), minutes (range 0 - 59), and seconds (range 0 - 59). • Three constructors: o …  |
| | Below is a program that asks the user to input a username and password. Once logged off the user is asked to re-enter their username and password. Is the program correct where it checks if the username and password input before is correctly input again?. Any help would be welcome …  |
| | I am trying to get information on when was the last date a file was modified in java. I have the date in long format. I dont know why the long object is showing the year to be 1970.Below is my code File mypath=new File(my_global_folder+"/"+mydata.getItemAtPosition(position)); long time=mypath.lastModified(); //When i try …  |
| | Hi, I would like to build a software career and am looking for the best software training institution. Can you please help me to find one? Thank!!! |
| |  Sample output: Enter number of guests: 40 40 guests have been invited. Enjoy the party! |
| | Hi all .. I've been doing my coursework .. I have done 30% of it .. but I've met problem since the day before yesterday .. I've tried to solve it but I couldn't .. I've been requested to write programme that promote the user to enter a file name … |
| | Create an applet which contains one Combo Box for fonts name, One List Box for Font Size, and 3 Radio Buttons for Font Style i.e. Bold, Italic, Plain. The applet also displays some string message by a label. Write a Java program such that user will able to change the … |
| | Write a program using for loops to produce an R by C rectangle, where R and C are provided by the user. The following are the triangles for different values of R and C. R is the number of rows and C is the number of columns |
 | Develop a java program for a grading system tha satisfies the ff requirement:\ 1. for passing an exam, a student must pass by a score of 30 or more and assessment of 20 or more to be issued a certificate 2. if a student score a total grade of 49 … |
| | Project Title: Student Record & Registration using Linked list This project is a Linked List application. The project considers st. Paul’s university having three departments: Business, Social Sciences and Computer Science. The university considers KCPE (O-level) , KCSE (A-level) and entry test marks for registering a student and calculate an … |
| | I have a logfile like this, and I need to extract filenames. For File 1 of 209 - Need to extract **"01021997_0011708_ENDTREQ_111114.ica"** from the line "Src info : D:\Test\ica\01021997_0011708_ENDTREQ_111114.ica" where it has "Save : Can't save file! Error code = BADI (Bad image file)" File 2 of 209 - Need … |
| | I having been trying to change the font size and textposition of a textfield but I have not had any luck. I am trying to change the font size of a text field. I would like the font that is typed in the text field to be bigger and bolded. … |
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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. |
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