Read Through A String / Count How Many Vowels There Are And Print Out When Detected

Sep 15, 2014

So I need to write a program that reads through a String and counts how many vowels there are and prints them out as it finds them. This is what I have so far:

if (vowel == 'a' || vowel =='e' || vowel =='i' || vowel == 'o' || vowel == 'u'){
numberOfVowels++;
}

The problem is that I can't figure out how to print out the character once it detects it as a vowel.

View Replies


ADVERTISEMENT

Trying To Count All The Vowels In A String

Feb 13, 2015

I am currently trying to count and display all the vowels in a set of given strings and can't seem to figure out what to do. I was able to print the line with the most vowels, but i also need to display them. The code is listed below and the given output.

public class Strings
{
public static void main(String[] args) {
String sentence = "I am currently studing Computer Science."
+ "My name is whatever and I am orginaially from the state of Virginia."
+ "I recenetly separated from the Air Force where I served on the Presidental Honor Guard.";

[Code] ....

The output that i am getting is:

I am currently studying Computer Science .
My name is whatever and I am originally from the state of Virginia.
I recently separated from the Air Force where I served on the Presidential Honor Guard.

The line with most vowels is:

I recently separated from the Air Force where I served on the Presidential Honor Guard.

View Replies View Related

Get Character Count And Amount Of Vowels In String Array?

Jan 29, 2015

I have to write some code to take names from the user and then order them in alphabetical order and then print them out which i have managed to do. However, i can't get it to count the characters in the names that the user enters or count the amount of vowels in the names.

This is the code ive written:

import javax.swing.JOptionPane;
import java.util.Arrays;
String[] names = new String[9];
int i;
names[0] = JOptionPane.showInputDialog("Please enter a name");
names[1] = JOptionPane.showInputDialog("Please enter a name");

[code]....

View Replies View Related

Count Vowels In ArrayList Of Strings - N Cannot Be Resolved To A Variable

Sep 11, 2014

What I'm trying to do here is to count the vowels in an arraylist of strings. What I did may not be right, but that's not my problem for now. My problem is that i cannot return the value (n) I want to return. I don't know why.

import java.util.*;
import java.util.Arrays;
public class One {
public static void main(String[] args) {
ArrayList<String> list = new ArrayList<String>();
list.add("aaa");
list.add("brr");
list.add("unn");
System.out.println(vowels(list));

[URL] ....

View Replies View Related

Program That Read TXT File And Count Character Occurrence In String

Jan 12, 2014

I wrote a program to read a .txt file and return how many times a, e, s, and t occur in the .txt file. I am getting an error that I do not know how to fix. It says Error: FileNotFoundException cannot be resolved to a type...

import java.util.Scanner;
import java.io.File;
import java.io.IOException;
import java.io.BufferedReader;
public class Count
{
public static void main (String[] args) throws FileNotFoundException {
String phrase; // a string of characters

[Code] ....

View Replies View Related

Null Detected In String Array Not Saved By Class Constructor

Mar 12, 2014

I've a vertical-bar-delimited file where most elements contain text, some contain whitespace, and some are empty. Examples:

62RG|fe|Pencil Financial Group, LLC||doug@pencil.com|||85637889|Cross, Ben|bcross@godaddy.net|Bernard|Cross|Ben||315 One Tree Hill Terrace|Lafayette|LA

62RG|fe|Pencil Financial Group, LLC||tracy@pencil.com|||13658734|Dustin Cardwright|dcart@motorola.com|Dustin|Cartwright|||| |LA

which I parse and store with

String str_arry = innline.split( "|", 17);
lisst.add( new Contact( str_arry));

and my Contact class has the constructor

public Contact( String[] str_arry) {
for( int ii = 0 ; ii < str_arry.length ; ii++ ) {
if( str_arry[ii].matches("^s+$")) {
str_arry[ii] = null;
System.out.println("hit a null");

[Code]...

I expect the for-loop in the constructor to find any elements containing whitespace characters and set them to null for subsequent assignment.And when the code runs I do see some hit-statements pop up, so the detecting part is working.

But when I then process the list and access a Contact object and test fields for nulls I don't find any ie

if( aContactObj.getfFCity() == null) System.out.println("city is null");

never prints when it should.

What's the trick? Or is my approach wrong and if so what should it be?

View Replies View Related

Method For Counting Vowels In A String

Nov 21, 2014

I have to take a user's input and count the number of vowels in a String. If I start with a lowercase vowel it gets counted, but if I start with an uppercase or different letter I get nothing. Either way, I can not get the counter to go higher than 1.

import java.util.Scanner;
public class countVowels
{
public static void main(String[] args)
{
Scanner kb=new Scanner(System.in);
System.out.println("Enter a sequence of letters:");
String letters=kb.next();

[code]...

View Replies View Related

Recursive Method To Remove Vowels In A String

Oct 22, 2014

Write down a recursive method to remove vowels in string ....

View Replies View Related

For Loop To Count Values Of Stack Of Quarters From 1.00 To 3.00 And Print Value Of Each Iteration

Nov 2, 2014

I had to write a foor loop to count the values of a stack of quarters from 1.00 to 3.00 and I had to print the values, that I understood and got it working so I taught the next assignment was going to be easier but I am having a hard time with it. For this one I have to write a for loop to print all the positive integer factors of 144 and I am supposed to print of factor per line but I tried doing that but it doesn't work it just prints out 144.

This is my code. The quarter assignment is also in there because it is part of a lab so just ignore that part since it is working correctly.

public class ForLoopPractice
{
public static void main(String [] args)
{
// Write a for loop to count out the values of a stack of quarters from $1.00 to $3.00
// Print the value of each iteration. Print this all on one line, rounded to the nearest cent.
// To print rounded, use printf, with a placeholder of %.2f
// (%f is the floating-point placeholder; the .2 indicates the number of decimal places)
/* YOUR CODE HERE */
for (double q = 1.00; q <= 3.00; q += .25)

[Code] ....

View Replies View Related

Count Length Of Each Word In A String

Aug 5, 2014

I am looking for a way to create a method with the initial state in while loop, which will count the length of each word in a string using I want the output to be something along the lines of:

hello world how are you
There are 0 words of length 0
There are 0 words of length 1
There are 0 words of length 2
There are 3 words of length 3
There are 0 words of length 4
There are 2 words of length 5

This is my code so far it sort of does the job but not the way i want it too

import java.util.Scanner;
import java.util.StringTokenizer;
public class Brown_Matthew_13117002{
public static int count(String s, int len){
int result=0;
StringTokenizer st=new StringTokenizer(s,"[ ,;]");

[Code] ....

The output would end up being :

hello
There are 0 words of length 0
world
There are 0 words of length 1
how
There are 0 words of length 2
are
There are 3 words of length 3
you
There are 0 words of length 4

View Replies View Related

Unable To Count Each Char In A String

Jun 5, 2014

I am trying to count each char in a string. For example A = 1, B =2, C=3, I am not looking for their binary value. So the word "At" would

AT= (A=1 +T=20)=21.

I know how to do this in C++ because I am able to treat a string like an array.

Java Code: void printFile()
{
int sum=0;
String line;
for(char cr ='A';cr<'Z';cr++)
{
for(int i=0; i<myList.size();i++)

[Code]...

View Replies View Related

Using String Methods To Count Words?

Nov 3, 2014

Aeparated by blanks in a string. For simplicity, use strings without punctuation or other white space characters(tabs, newlines etc). Use a JTextArea to allow the user to enter the text and allow the text area to scroll if necessary. when the user clicks a button to count the words , the total number of words counted is displayed in a textbox that cannot be modified by the user.

now my problem is that i am not getting the counted number to display in the un-editable textbox. i also have the problem where the cusrsor is showing in the middle of the input screen instead of at the top.

import java.io.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.text.*;
import java.util.*;
public class WordCounter extends JFrame implements ActionListener

[code]....

View Replies View Related

String Array Unique Count?

Jun 9, 2014

I am attempting to count the unique strings (a.k.a flowers) in the array along with a count of any duplicates. An example is embedded in my code below. I've only pasted the part of the program I am having trouble with. I can't figure out what I am doing incorrectly.

private void displayFlowers(String flowerPack[]) {
// TODO: Display only the unique flowers along with a count of any duplicates
/*
* For example it should say

[Code]....

View Replies View Related

Count The Length Of Each Word In A String

Jul 31, 2014

I am looking for a way to create a method with the initial state in while loop, which will count the length of each word in a string using I want the output to be something along the lines of:

hello world how are you
There are 0 words of length 0
There are 0 words of length 1
There are 0 words of length 2
There are 3 words of length 3
There are 0 words of length 4
There are 2 words of length 5

ithis is my code so far it sort of does the job but not the way i want it too

import java.util.Scanner;
import java.util.StringTokenizer;
public class Brown_Matthew_13117002{

[Code].....

View Replies View Related

Using String Methods To Count Characters

Nov 4, 2014

I am trying to count the number of non_blank characters in a string. If there are no leading blank spaces it works fine but say i add three spaces in front it doubles the non blank characters.

import java.io.*;
import java.util.*;
public class countCharacters
{
public static void main(String[] args) throws Exception
{
String str1;
int count;
count = 0;

[Code] ....

View Replies View Related

Name / Zip Array Read And Print

Sep 22, 2014

Designed to store a first name (string), last name (string), and zip (int). Assume each line will contain two strings followed by integer each separated by tab. Then print.

I have my two class files (one for the individual and one for the array) and then my driver below. I think my only problem is my driver. I think I'm reading the data file wrong but not sure how exactly.

test in .txt file:

JohnSmith12345
JohnDoe12346
SueSmith09877
VeronicaVarguez67890
MuhammadMaliki54321

public class Person
{
private String firstName;
private String lastName;
private int zipCode;
public Person(String fName, String lName, int zCode)

[Code] ....

View Replies View Related

Count Occurrence Of A String In Array List?

Jan 31, 2014

How to count occurrence of a string in a string array list. I have 800,000 strings in string list..

View Replies View Related

Java Program To Count Each Repeated Letters In Given String?

Jan 12, 2014

for example if the given string is: The world is running java technology?

Ans:
T is =2
h is=2
e is=2
w is=1
n= 4

like wise i need out put of the program?

View Replies View Related

Count Number Of Occurrences Of A String In Array List?

Apr 6, 2015

I am trying to count the number of occurrences of a string in an array list. I used the following code:

int count = Collections.frequency(strings, search);

strings is the name of the array list and search is the string that I am trying to count the number of occurrences of. My program compiles correctly, but when I enter the string to search for, I get the following error: "Exception in thread "main" java.lang.NullPointerException at java.util.Collections.frquency(Collections.java:37 18)

Why am I getting this error message and how do I fix it?

View Replies View Related

String Counter Doesn't Count Appropriate Strings Properly

May 11, 2014

I have this source code that is supposed to count the repeated occurrences of certain strings in the text file, "string.txt". The contents of the file are listed below:

AA-AB-AC-AG-AE-AL
AL-AQ-AE-AN-AO-AM
AM-AQ-AO-AA-AB-AC
AD-AJ-AK-AI-AM-AO
AN-AH-AC-AA-AP-AQ
AP-AP-AN-AN-AL-AP
AN-AD-AU-AE-AH-AQ
AK-AQ-AE-AL-AE-AA
AA-AJ-AB-AG-AE-AF

[code]....

View Replies View Related

C# DLL To Read In Java (Biometric Finger Print)

Jul 19, 2014

My Personal Researches on this topic was ::

1) Use socket programming (i was able to connect to that ip and port but of no use? how to get data ??)

2) A lot of forums suggest the JNI or JNA way.. which i tried out and accomplished a connection to the port.

But the problem was the appoarch i used in JNA which only supports the loading of C/C++ dll files... not C# dll.... the BioMetric Finger Print device is coded in C#...

View Replies View Related

Count And Display Number Of Times Specified Character Appears In String

Mar 7, 2014

Write a program using a while-loop (and a for-loop) that asks the user to enter a string, and then asks the user to enter a character. The program should count and display the number of times that the specified character appears in the string. (So, you will have two separate program codes, one using a while-loop and the other one using a for-loop.)

Example:
Enter a string: "Hello, JAVA is my favorite programming language."
Enter a character: e
The number of times the specified character appears in the string: 3

I don't even know where to begin I've only got this

import java.util.Scanner;
 public class letterCounter {
 public static void main(String [] args) {
Scanner sc = new Scanner(System.in);
System.out.println("Enter a string");
String myString = sc.nextLine();
System.out.println("Enter a letter");
String letter = sc.nextLine();
}
}

View Replies View Related

Take Replacement String Entered By User And Print Out New String

May 22, 2014

I'm having trouble with the last few lines of the code. It's supposed to take a replacement string entered by the user and print out the new string. For some reason it's now allowing me to enter a replacement string

import java.util.Scanner;
public class Project02 {
public static void main(String[] args) {
Scanner keyboard = new Scanner(System.in);
System.out.print("Enter a long string: ");
String lString = keyboard.nextLine();

[Code] ....

Output:

Enter a long string: the quick brown fox jumped over the lazy dog
Enter a substring: jumped
Length of your string: 44
Length of your substring: 6
Starting position of your substring in string: 20
String before your substring: the quick brown fox
String after your substring: over the lazy dog
Enter a position between 0 and 43: 18
The character at position 18 is x

Enter a replacement string: Your new string is: the quick brown fox over the lazy dog <------ isn't taking user input

View Replies View Related

XML Parser - Read File And Print Classes With Related Attributes

Apr 4, 2014

I am searching a XMI parser in java code that read an xmi file and print classes with related attributes.

View Replies View Related

Read Characters From Txt File / Store Them Into 2D Array And Print Information

Oct 10, 2014

The point of this program is to read characters from a txt file and store them into a 2D array. After this has been accomplished, the information is to be printed in the same manner it is read from in the txt file.

Here is the code I have so far:

import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;
public class Main
{
public static void main(String[] args) throws FileNotFoundException

[Code] ....

And this is the error I am receiving when trying to accomplish the goal of the project:

Exception in thread "main" java.lang.NumberFormatException: For input string: "############"
at java.lang.NumberFormatException.forInputString(Unk nown Source)
at java.lang.Integer.parseInt(Unknown Source)
at java.lang.Integer.parseInt(Unknown Source)
at Maze.<init>(Maze.java:15)
at Main.main(Main.java:20)

What's going on here and how I can correct this?? The information I am trying to store in a 2D array and then print is this:

############
#.#........#
#.#.######.#
#.#....#...#
#.###.*#.#.#
#...####.#.#
#.#.#..#.#.#
#.#.#.##.#.#
#o#......#.#

View Replies View Related

Read Picture And Print Out Number Of Blocks - Counting In Multidimensional Array

Dec 19, 2014

I have to write a program that will read a picture and then print out the number of blocks inside it.

I have to read the picture as a binary matrix of the size r - c (number of rows times number of columns). The blocks are groups of one or more adjacent elements with the value 1.

- Blocks are built exclusively of elements with value 1
- Each element with value 1 is a part of some block
- Adjacent elements with value 1 belong to the same molecule.

We only take into account the horizontal and vertical adjacency but not diagonal.

INPUT:

In the first line of the input we have the integers r and c, separated with one space.
Then we have the r lines, where each contains s 0's and 1's.
The numbers inside the individual lines are NOT separated by spaces.

The OUTPUT only print the number of blocks in the picture.

Example:

INPUT:
7 5
01000
00010
00000
10000
01000
00001
00100

OUTPUT:
6

THIS IS WHAT I CAME UP SO FAR:

import java.util.Scanner;
class Blocks{
public static void main(String[] args){
Scanner sc=new Scanner(System.in);
char ch[][];
int rowNum=sc.nextInt();
int columnNum=sc.nextInt();

[Code] ....

View Replies View Related







Copyrights 2005-15 www.BigResource.com, All rights reserved