I've been working on the below code for a couple days in my spare time. Just a simple little text-based RPG. I'm brand new at programming and Java, so excuse the bad syntax. There's probably easier ways to go about what I'm trying to accomplish, but all we've learned so far in class is while loops and if statements. Anyways, the problem is that the statement "Really? Ten health points[...]yes or no?" in my code is printing twice.
I have wrote this class who read from text line by line and save the words in fileOnTable.. Now i don't know what to read in ReadOffer to save the words in object offers and return this.. One more question.. What JUnit test can write for this code..?
My requirement is to find the line number using multiline string. Here I need to extract the string between FROM and where clause(from the below string) and need to find the line number in the file
SELECT HL.LOCATION_ID,HPS.PARTY_SITE_ID,HCAS.CUST_ACCT_SITE_ID INTO LN_SITE_LOCATION_ID,LN_LOC_PARTY_SITE_ID,LN_CUST_ACCT_SITE_ID FROM HZ_LOCATIONS HL, HZ_PARTY_SITES HPS,
How do I make the file reader object move to the next line if there is no more input on the line. Here is my text and output file as you can see that my text file column cuts off on the 2nd line after 70. I want to read that next line which is 100 into my labs variable however its reading it into my final exams variable. I'll also post the code but I didn't think it was necessary.
textfile: 100908095 1008070 10070
output: Labs Projects Tests Final Exams 100908095 1008070100 70
[import java.util.Scanner; import java.io.*; public class MyGrades { public static void main (String[] args) throws IOException { int lab, project, test; int finalExam;//Par and Player values
If I want to read my file line by line and when it hits a certain value from that point it should start deleting the lines until the tag ends.Just curious will my code actually work at the moment or not because it goes through so many times then goes straight back to the variable declarations at the start of the method and never hits the console print line.
public void removeEnvironment(){ //declare variable to environment id String environmentID = "Environment id"; String lines = null; boolean lineFound = false; boolean end = false;
I'm creating a program that searches a txt file for a given string, then return the number line and the line itself. However, my testFile class isn't detecting my searchWord methods.
The searchWord and recursiveSearch is written in a java class called BasicFile
public List<String> searchWord(String key) throws Exception { LineNumberReader lnr = new LineNumberReader(new FileReader(f)); return recursiveSearch(lnr.readLine(), key, lnr); } public List<String> recursiveSearch(String currentLineText, String key, LineNumberReader lnr)
[code]....
Is it because I'm using a list instead of a string?
I'm doing an assignment for uni and have come across a small hiccup. What I'm trying to do is scan in a text file and read "commands" for it line by line, E.g:
Student Mary 12345 19 Student Joe 12346 19 Change Joe 19 20 Change Mary 19 20
So that lines that begin with the word "Student" indicate that I should create a new student file with that name, student ID, and age.
"Change" indicates that I should be changing the specified student's current age to the new age etc.
What I'm currently doing is something along the lines of this:
Scanner input = new Scanner(new FileReader(args[0])); String[] line; while (input.nextLine().startsWith("Student")) { line = input.nextLine().split("s+");
[Code] ....
The problem I'm having is that every second line seems to be getting skipped (because I'm calling nextLine() so much?) but I can't think of a way to "peek" at the first word of each line without advancing past it. Is there any way of doing this?
I think the lines need to be stored in ArrayList, then I would like those lines to write to csv file, but how on read I can construct such output file? This is my code for reading file
public ArrayList readFile(String filename) { try {
01. pickup the selected text file and read the line by line and output the text in to visual text pane.
what i did:.
01. I wrote code that read the text file and output in to jave console/ also some of the interface.
the code read txt file:
Java Code:
String fileName = "C:/Users/lakshan/Desktop/lawyer.txt"; File textFile = new File(fileName); Scanner in = new Scanner (textFile); while(in.hasNextLine()){
[code]....
so it will read any text file dynamically and output to the text pane in interface. I think scanner code must be execute after the select the file from the browser and set the scanned result in to variable. then later out put the var as string in some jswing component?
I'm making a program where the user enters an ID number and can submit the amount of sales that person made for a specific product and write to a file. One of the things I have to do is making a running sum of the sales for each product for all people combined as well as an accumulation of the a persons sales every time he enters data. Everything seems to be working execpt my values like person1Total, person2Total...etx and product2Total.
When I try to write them to the file, they always come out at 0.0 even though they should be the sum of the indexes of the array sales.
I am trying to print out a list of usernames for my chat program. It currently works except for the username portion. The Server sends a specific line that tells the client to print it as a username. That line is name//name. For example, if the name of the client was Eric, then the server would send Eric//Eric to the client. The client will then receive the line through a buffered reader. However, my current code keeps getting an error at the i=input.substring... line. Its an IndexOutOfBoundsException: String index out of range: -1.
class ChatThread extends Thread { ChatServer cServer; String[] sentence; int i; public void run() { String input = "Eric"; try {
So for fun I've decided to write a program that can keep track of a simple card game my friends and I designed. I've built a class for an array, that stores the basic stats of each card. I need to be able to access this array from another class, that will print the array information to a file, so we can easily keep track of who's cards have leveled up and their stats. The main class will also be using a random number generator to determine how much damage the attacker/defender deals and takes respectively. So far I have the random number generator built as well. I'm just having issues creating a print to file class and what I need to change in my array class to make it accessible by the other class that prints it to a file.
public class StartingStats { public static void main(String[] args) { //Variable to use for how many spots in a stat array there are final int statArray = 2;
[code]...
what I need to change so that a print to file class can access EACH array in this array folder. Also if any cookie cutter printToFile class I could use/borrow/change that'd be really useful, as I've never done any printing to file before. Also, the levels of each stat and exp will be changing so that's why I need a separate class to print so that I can call it when it's been updated so we always have the most up to date stats saved.
My array isn't printing. I have tried everything. I have tried putting a nested for loop in different methods but still no luck. I have also tried System.out.print but that prints random characters/numbers.
import java.util.Scanner; public class Square { public static void main(String[] args)
[Code].....
^For some reason the site doesn't show the spaces between the *. It's supposed to be a 5x5 square.
I have a hashmap of the form HashMap <String, Set<String>>I am trying to create a method with one argument. The argument is a key for the hashmap, if it exists it should print out the key and the associated values. I'm falling over at even getting it to print the key, it keeps printing all the keys from within the hashmap as I don't know how to load the argument into it. I have this so far
Java Code:
public void printValue(String club) { boolean result = clubMap.containsKey(club); if (result) { String key = clubMap.keySet(club).toString(); System.out.println(key );
As of now the second method always over writes the first. None of my books cover this and its very frustrating when the entire code is done but this won't let me write to the file
Im trying to make a question game, much like a spin off from Trivial Pursuit. In this code, I call classes to get a random number. This number determines what category the question will be from. Coinciding with this number, the "if" statements go and pull the questions and answers from an alternate class. My problem is that when I try and output what should be the question and the 3 answers, its outputs "null" for each String?
This is my first class, which is just the class for the player.
Java Code: /* * To change this template, choose Tools | Templates * and open the template in the editor. */
I finally got this to work but only by printing out the value of each number to debug as such, was there an easier way to do it that I missed?
public class Statistics { /** * @param args the command line arguments */ public static void main(String[] args) { // variables used double num1; double num2; double num3; double num4; double num5; double num6; Scanner input = new Scanner(System.in); //receive number and add it separately
I am writing a Java permutation program, it takes in N and k and gives k amount of combinations based on N length.
That portion works, but the portion I have that does not work is when k is greater then 1, the array is then then printing strings out of index.
The perm algorithm ends on index - 1 for moving characters but then I push all those characters into an Array List, I would think I could print them off however I want from there but that is not the case. I'll include the minimum amount of code possible.
//permString = 1234 or something, it doesn't matter //Use Case N = 4 k = 3, prints out 123,124,132,134 ect //Use Case N = 4 k = 2, error index out of range but only on the printing function; the perm function doesn't take k and //is based on length //the "" is just an empty string permNow("", permString); }
I have a project to create an application where you can print all the detail to be written on a receipt (no more manual writing). I already have blank receipts. All I want to know is how to do that printing the details at exact position in my blank receipt. I'm starting to read about Jasper Reports but I don't know how it will work since most of its example are creating template.
The Java-program Matrix below first asks the user for the number of rows and columns in a matrix. After this the program asks for the values of the elements. Finally, program prints the elements of the matrix and their sum on screen. Your task is to create the missing methods. Check the example print to see how to modify the print. When printing the matrix, values on the same row are separated using tabulator.
Program to complete:
import java.util.Scanner; public class Matrix { public static void main(String[] args) { int rows, columns; Scanner reader = new Scanner(System.in); System.out.print("Type in the number of rows: ");
[code]...
Write the missing methods here / Methods are written in the text box below.
Example output
Type in the number of rows: 3 Type in the number of columns: 4 Type in the element 1 of the row 1: 1 Type in the element 2 of the row 1: 2 Type in the element 3 of the row 1: 3 Type in the element 4 of the row 1: 4 Type in the element 1 of the row 2: 5
[code]...
Matrix:
1 2 3 4 5 6 7 8 9 10 11 12
Sum of the elements of the matrix: 78
my code
import java.util.Scanner; public class apples { public static void main(String[] args) { int rows, columns; Scanner reader = new Scanner(System.in); System.out.print("Type in the number of rows: ");
I am learning while loops but the output I am getting is not what I want? My class:
public class BottlesOnWall { public static void main (String[] args) { int x = 99; while (x > 1) { System.out.println(x + " bottles on the wall!");
[Code] .....
The output I am getting is this:
99 bottles on the wall! 98 bottles on the wall! 97 bottles on the wall! 96 bottles on the wall! 95 bottles on the wall!
[Code] ....
I want it to stop on "2 bottles on the wall!" and then print "Only 1 bottle left on the wall!". How do I go about doing that? I have tried different variations of the condition (x>1), I have tried (x>5) but it still goes down to 1 bottle?
i have to read a text doc that has 149392014080186 (station# year/month/day temp) many more following but i have to read the temp and determine if it is under 80 degress my code so far is the second scanner reads the text file i need the 1st scanner reads the user info
/****************************************************************************** * * Filename : ClimateSummary.java. * Description: This program computes summaries of climate data and reads if it is rainy/not rainy or cold/hot. * ******************************************************************************/ //imports everything needed to run the program import java.util.Scanner; import java.io.*;
