35,618 Topics
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| | public class kgPoundsConverter extends JApplet 12 { 13 private JPanel kPanel; // To hold a text field 14 private JPanel pPanel; // To hold a text field 15 private JPanel buttonPanel; // To hold a button 16 private JTextField kgram; // kilogram 17 private JTextField pounds; // pounds  |
| | trying to make a payroll program, im pretty sure this is all the code i need. maybe 1 or 2 maybe 3 extra lines. ERRORS: operator * cannot be applied to java.lang.String operator * cannot be applied to double,java.lang.String operator * cannot be applied to double,java.lang.String ERRORS in CODE are … |
| | . Goal is for user to input 2 numbers then get a multiplication chart with a row and column. Example: user enters 3 and 5, then should print ...3 4 5 (disregard the dots) 3 9 12 15 4 12 16 20 5 15 20 25 My program will not … |
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| | Hi, there, I am also very new to Java. For class, I have to create an structure that reflects that of a document stored in a plain txt file. The hyerarchy of the classes is: Class document is made of //complex objects class Page objects, that are made of class … |
| | Hello everyone, I need to make a program for Java that has the user enter in 2 numbers,1-9, then prints a top row and column with those numbers in it, then prints a multiplication table for those numbers. I need to use a for loop or for loops. Ex. 2 … |
| | Hi everyone I am new to the community and been programming in java for 2 weeks. This is my 3rd program so please take it easy on me, I know there are better ways to do things but this is what I know for now. The purpose of the program … |
| | Hi! I would like to add a link to JTable cell. When a user will click on this cell, then a file pointed in the cell will be opened. Could someone tell me some hints? Thanks! |
 | Hello ! I am using Java media framework on windows 7. I am making a program to transfer live audio and video using RTP in Java media framework. The problem is that JMF registry contains the built-in camera but when i run program it says that video source is not …  |
| | Hello. I am currently working on a little password based file encryption feature for an application I am doing. The following is an incomplete function that I have worked on to encrypt some content and (will eventually) write it to a file. [CODE]public static void encrypt(byte [] data, char [] …  |
| | [CODE]import java.util.Scanner; public class Inti{ public static void main (String [] args){ Scanner kb = new Scanner(System.in); System.out.println("enter name: "); String input = kb.nextLine(); char name1 = input.charAt(0); int blank = input.indexOf(' '+1); char name2 = input.charAt(blank); int lastBlank = input.lastIndexOf(' '+1); char name3 = input.charAt(lastBlank); System.out.println(name1 + "\n" + … |
| | Please I need a code in java to convert infix to postfix in java. |
| | Dear friends, I have joined a course for SCJP. This is the first time I am learning JAVA. I want to lean the program by solving more practice problems. Does any one has any links which will have lots of JAVA practice problems for a novice programer like me :eek:? … |
| | Hey there folks, So I am working on an assignment for class and I have gotten a considerable amount done thus far. I am having some issues with the final important aspect though. The assignment asks that we read a .txt file with a bunch of records of cars sold … |
| | Hello guy's, As we know we have the facility to interprete your java script and HTML code on our blog. Any one have idea how to embed our java applet code on the blog. . Suppose i created a registration form using java applet and i want to display it … |
| | Hi Everyone, I have a code that permutes Strings, it rather swaps them but I wanted the code to substitute strings, using permutiotions not swap them around... Here is the sample code: import java.util.*; public class PermutationExample { public static void main(String args[]) throws Exception { Scanner input = new … |
| | Hi, I have created .js file it is using in jsp page. All methods of .js file work properly but here problem is when I want to execute any method of .js file on body onload event then this method no working. So tell how can execute this method on … |
| | First I apologizeif the answer to my question is somewhere in the hundreds of posts listed. I am new to java and basically clueless. I am suppose to pass an array to a method and then sort the array. I get an "illegal start of expression error when attempting to … |
| | Hi, I am working on a program for one of my courses. The program requires the use of a command line argument. I am using JCreator and as such my code does not work. Is it not possible to run a program with a command line prompt from JCreator? Thanks |
| | [B]I m doing some problems regarding Return type in java.I m facing some problem . could any help plz.[/B] 1. class Plant { 2. String getName() { return "plant"; } 3. Plant getType() { return this; } [B]// what mean 'return this' here [/B] 4. } 5. class Flower extends … |
| | how to solve this easy problem????? Write a Java program that would input ten numbers form the user and print the ten numbers sorted in descending order. |
| | public class HealthProfile { private String healthfirstName; private String healthlastName; private String gender; private Float birthday; private Float weight; private Float height; private Double maximumheartrate; private Double targetheartrate; private Double bmi; //starter public void setHealthfirstname( String name ) { healthfirstName = firstname; } public String getHealthfirstname() { return healthfirstName; } … |
| | Hi, I wrote a code to solve the knapsack 0-1 problem by dynamic programming. At a certain point, around 30 max capacity, the code stops adding new values based on the incrementing max capacity and item values. I have no idea why, it finds the correct solution until the max … |
| | Last year there was this one kid in another programming class, but all the time he would brag about how he "broke" java. I glanced over his code and it was a mess. But it seemed to be correct. Even our instructor traced it and found no errors. However, whenever … |
| | hi all will it affect my applications speed if i'll set more than 10 attribute in the session thanks in advance! |
| | Hello I have a code here. it generates random 2d array [B]kMean[2][3][/B] and then this program calculates the distance between random generated [B]kMean[2][3][/B]s and [B]data[][][/B]. but the problem is, when the random kMean is 1, then it calculates the distance, but when the number or kMean becomes more than one, … |
| | Hello guys, I'm really stumped on this assignment. What I need to do is make a triangle's height based on the number entered by the user. So if the user enteres 4, the output would be this: $ $$ $$$ $$$$ And I can't figure out how to do that. … |
| | Good Morning, Having all kinds of problems with my programs. Seems as though is trying to read the StudentList file but cant. Im confused. I run the program and it goes to the StudentList.java and gives the errors below after the code. PLEASE HELP! project is past due and the … |
| | Hey guys, I recently wrote this program and it compiles and works but I have two issues that need addressing and I'm a bit confused on how to solve them. Question 1) [CODE]System.out.println("What's your name?"); name = Scan.nextLine(); System.out.println("How old are you?"); age = Scan.nextInt(); [/CODE] I always thought Scan.next … |
| | I need to do a program that the user will input a letter from alphabet then the program will show the alphabet that starts with the inputted letter. for example Letter: B B C D E F G and so on.. please help me guys.. ive been doing this almost … |
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