How To Take One Million Of Character As Input

Mar 29, 2014

How To Take 1 Milion's Of Character As A Input

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Input More Than One Character But Output Is Only One Character

Feb 28, 2015

I have entered more than one character but output is only one character .....

class InputUser
{
public static void main(String arg[])
throws java.io.IOException
{
char ch;
ch=(char) System.in.read();
System.out.println(ch);
}
}

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Replace Every 5th Character Of The Input

May 12, 2015

I am trying write a program that accept an input and present the input with every 5th character replaced with X (count spaces also).

For example:

input: "hello my name is mario"
outpu: "hellX my Xame Xi maXio"

I only manage to replace specific letters, e.g every "m" letter.

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How To Show Unicode Value Of Input Character

Jan 15, 2011

import java.io.*;
public class Main {
/**
* @param args the command line arguments
*/
public static void main(String[] args) throws IOException {
/// instantiate data input stream
DataInputStream din = new DataInputStream (System.in);
// Ask user to enter a message

[Code]...

I want to show the unicode value of input character but it does not work

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Text Fields - Input String Character S

Aug 24, 2014

What should be the code if i want to input a different string in case of the typed string. The case is : I have a predefined string S = "Peter,please answer my question" and now when i input another string inside the text field character by character i want characters from the string S to enter instead of the input string. In short, the input string should be disguised as string S.

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First Character Is Missing While Reading Input Stream

Jul 10, 2014

This is my code

// TODO Auto-generated method stub
File file=new File("D:/input.txt");
java.io.FileInputStream is=new java.io.FileInputStream(file);
int a=is.read();
try {
while((a=is.read())!=-1) {
System.out.print((char)a);

[Code] .....

My text in file is :my birthday Hello World

But in out i see only:y birthday Hello World

Why is first character is missing here?

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File Comparison With 1.6 Million In Each

Mar 14, 2014

I have two big text file with approx 16 Lakh (1.6 Million) records in each. Both file contains Strings in each line. I would like to compare two files and find the descripencies and print them into separate file.

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Multiplying By Hundred Million

Oct 26, 2014

I multiplied 100 000 000 by .14145023952445 on java and the output I got is 1.4145023952444999E7. I know it is equal to 14145023.952445 but why is that?

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Swing/AWT/SWT :: JLabel That Robotically Type Words Character By Character

Feb 2, 2015

i want to have a JLabel that could "robotically" type words character by character.

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Carriage Return Character Working Like New Line Character On MacBook

Nov 21, 2013

I use Eclipse (kepler version, with JDK 7) on MacBook Pro (Lion).I want to overwrite a line printed on my console. I used "" for that. I was expecting the cursor to go to the beginning of the line. Instead, it is going to the next line.

Code:

System.out.print("Superman
Sober");

Expected Output:
Soberman

Actual Output:
----------------
Superman
Sober

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How To Find XOR Value Of Character Of Character Array In Java

Mar 3, 2015

What I am trying is find the XOR value between charcters of a String here is my code

public static void main(String[] args) {
System.out.println(grayCode("100"));
}
public static String grayCode(String input){
StringBuilder temp=new StringBuilder();
temp.append(input.charAt(0));
for(int j=1;j<input.length();j++){
char previous=input.charAt(j-1);
char current=input.charAt(j);
char xorVal=(char)(previous^current);
temp.append(xorVal);
}
return temp.toString();
}

but I am not getting actual XOR value of two charcters that I am trying to get.

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Build Up Alphabet Character By Character

Mar 9, 2014

I am trying to build up the alphabet character by character. Like:

a
ab
abc
abcd

Well as of now I can only print out the alphabet with my loop like abcdefg...z.. So here is the code I am trying to use:

public void loop4() {
char alph = 'a';
while(alph <= 'z') {
System.out.println(alph);
alph++; 
}
}

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Displaying Name As Same Character

Jun 19, 2014

My program task is if we give a character... the display will print CHARACTER AS CHARACTER Shape

IF WE GIVE LETTER L... IT WILL PRINT LIKE THIS...

L

L

L

L L L L

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How To Print Out First 6 Character Of Last Name

Feb 20, 2015

How to i print out the first 6 character of a last name even if the last name is and X like Malcolm X or Sung Li. X and Li being the last names

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Locking The Camera On Character?

Mar 2, 2015

I finally made the app to draw 10x10 map out of 50x50 pixel blocks.Now I can't imagine how to make a camera and lock it on character. I know how to make a character, but I just want to understand how locking the camera on character would look.

package tiled;
 import org.newdawn.slick.*;
import org.newdawn.slick.state.*;
 public class play extends BasicGameState {
  int xSize = 10;
int ySize = 10;

[code]....

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Splitting A String By Character

Feb 14, 2014

I'm trying to use the split method to split a string for a calculator, but it keeps throwing this Exception:

Exception in thread "main" java.util.regex.PatternSyntaxException: Dangling meta character '+' near index 0
+

public class exp {
private static String ques="88+12";
private static String [] splitCalc;
public static void main(String[] args) {
splitCalc = ques.split("+");
for(String s : splitCalc){
System.out.println(s);
}
}
}

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Character Encoding Error

Mar 14, 2014

import java.io.*;
public class Q2{
public static void main (String[] args) throws IOException,
ClassNotFoundException

[code]....

For this program, i successfully did create an output.txt, but i have some weird characters in front of "hello" when i open it in notepad or wordpad.

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Removing A Character From String?

Sep 26, 2014

I am trying to remove a character from string as below

public String reomveChar(String str, int n) {
if(0<=n & n<=(str.length()-1)){
//str.charAt(n)
char o=str.charAt(n);
return str.replace("o","");
//a.replace("o","");
}
return null;
}'

what is the best way to remove it.

If i call like

removeChar("hello", 1) i should see hllo.

When there are more than one way to do a challenge in java which one to choose as best way.

What is the criteria to decide one particular way of writing code is best among say 'n' different number of ways.

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How To Retrieve A Character From String

Mar 7, 2014

String charAt() method returns a particular Character at the specified index in the String.

How is this function implemented internally?. How a particular character can be retrieved from String?.

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Swapping String First And Last Character?

Sep 28, 2014

I am trying to swap given string first and last character. If I pass world i should get 'dorlw'

I found link and code [URL]....

String str="hello";
char[] charArray=str.toCharArray();
int indexOfLastChar=charArray.length-1;
for(int i=0;i<charArray.length/2;i++){
char temp=chatArray[i];
charArray[1]=charArray[indexOfLastChar-i];
charArray[indexOfLastChar-i]=temp;
}
String reversedStr=new String(charArray)
System.out.println("reversed string"+str+reversedStr);

I wonder Is there is any easy simple way to do it.

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How To Keep Character In Place With Up And Down To Move

Jan 30, 2014

I noticed it is a huge success to have the backgrounds of games move and the character just move up and down and dodge obstacles.How Do I make a background that scrolls horizontally to the left? I know how to keep the character in place with up and down to move, but not sure how to go about making the background move with obstacles.

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How To Check To See If A Character Is In Arraylist

Apr 15, 2015

What I'm trying to do is say if the array contains the character a, then output: this letter is already in the array. I tried

if(arrayList.contains(a)) {
System.out.println("This is already in the array!");
}

but it's not working. What should I use?

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Character Won't Move When Key Is Held

May 29, 2014

I was just trying to figure out why when I hold down a movement key, that my character doesn't move. It only moves if I continuously press the movement key. Here is my code:

package game;
import java.awt.*;
import TileMap.TileMap;
import Handlers.Keys;
public class Player {
private double x;
private double y;

[Code] .....

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Negative Character Literal?

Jun 3, 2014

char c=(char)-65;

This is legal but how ?? what is the value actually being stored in c ? The output is shown as ﾿.

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Addition Operation On Character Variables

Feb 8, 2015

When addition operation is performed on the character variables ,then it specifies actually that the ASCII values are added because the character variable stores ASCII value of the character constant ,then why after the addition the result cannot be stored inside a character variable ,why it needs to be stored in an integer variable only ,when actually the character variable stores the ASCII value then why is it an error to store the added result in an character variable.

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Replacing And Checking Character In String?

Jul 24, 2014

so my task is to write a code which would ask user to input the year as integer and first three letters of the month with first being an upper case letter. Than the program would determine the number of days for given year and month.

Currently I have a brain crash on how to check, if the user has provided the month with first character being upper Case. If not, than the program would automatically correct the character. Problem starts at line 17.

import java.util.Scanner;

public class DaysOfMonth4_17 {
public static void main (String[] args) {
//Initiate scanner
Scanner input = new Scanner (System.in);
//Ask for year input and use is as INT
System.out.println("Enter the year");

[code]...

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