while loop question (Write to a file)

[dnatzic]

// I have a block of code that runs okay but I need to write all the data to a file placing the appropriate label between each section of output. How would I do that?.

import java.io.*;

public class Ch5_PrExercise9
{
static BufferedReader keyboard = new
BufferedReader( new InputStreamRead er(System.in));

public static void main(String[] args) throws IOException
{
int firstNum, secondNum;
int sumEven = 0;
int sumSquareOdd = 0;

char chCounter;

int counter;

int start;

System.out.prin tln("Enter two numbers.");
System.out.prin tln("First number must be less than or equal to "
+ "the second number you enter");
System.out.prin t("Enter the first number: ");
System.out.flus h();
firstNum = Integer.parseIn t(keyboard.read Line());
System.out.prin tln();

System.out.prin t("Enter the second number: ");
System.out.flus h();
secondNum = Integer.parseIn t(keyboard.read Line());
System.out.prin tln();

//Part a
if(firstNum % 2 == 0)
start = firstNum + 1;
else
start = firstNum;

System.out.prin tln("Odd integers between " + firstNum + " and "
+ secondNum + " are: ");

for(counter = start; counter <= secondNum; counter = counter + 2)
System.out.prin t(counter + " ");

System.out.prin tln();

//Part b
if(firstNum % 2 == 0)
start = firstNum;
else
start = firstNum + 1;

for(counter = start; counter <= secondNum; counter = counter + 2)
sumEven = sumEven + counter;

System.out.prin tln("Sum of even integers between " + firstNum
+ " and " + secondNum + " = " + sumEven);

//Part c
System.out.prin tln("Number\t\t Square of Number");

for(counter = 1; counter <= 10; counter++)
System.out.prin tln(counter + "\t\t" + counter * counter);

System.out.prin tln();

//Part d
if(firstNum % 2 == 0)
start = firstNum + 1;
else
start = firstNum;

for(counter = start; counter <= secondNum; counter = counter + 2)
sumSquareOdd = sumSquareOdd + counter * counter;

System.out.prin tln("Sum of the squares of odd integers between "
+ firstNum + " and " + secondNum
+ " = " + sumSquareOdd);

[r035198x]

// I have a block of code that runs okay but I need to write all the data to a file placing the appropriate label between each section of output. How would I do that?.

import java.io.*;

public class Ch5_PrExercise9
{
static BufferedReader keyboard = new
BufferedReader( new InputStreamRead er(System.in));

public static void main(String[] args) throws IOException
{
int firstNum, secondNum;
int sumEven = 0;
int sumSquareOdd = 0;

char chCounter;

int counter;

int start;

System.out.prin tln("Enter two numbers.");
System.out.prin tln("First number must be less than or equal to "
+ "the second number you enter");
System.out.prin t("Enter the first number: ");
System.out.flus h();
firstNum = Integer.parseIn t(keyboard.read Line());
System.out.prin tln();

System.out.prin t("Enter the second number: ");
System.out.flus h();
secondNum = Integer.parseIn t(keyboard.read Line());
System.out.prin tln();

//Part a
if(firstNum % 2 == 0)
start = firstNum + 1;
else
start = firstNum;

System.out.prin tln("Odd integers between " + firstNum + " and "
+ secondNum + " are: ");

for(counter = start; counter <= secondNum; counter = counter + 2)
System.out.prin t(counter + " ");

System.out.prin tln();

//Part b
if(firstNum % 2 == 0)
start = firstNum;
else
start = firstNum + 1;

for(counter = start; counter <= secondNum; counter = counter + 2)
sumEven = sumEven + counter;

System.out.prin tln("Sum of even integers between " + firstNum
+ " and " + secondNum + " = " + sumEven);

//Part c
System.out.prin tln("Number\t\t Square of Number");

for(counter = 1; counter <= 10; counter++)
System.out.prin tln(counter + "\t\t" + counter * counter);

System.out.prin tln();

//Part d
if(firstNum % 2 == 0)
start = firstNum + 1;
else
start = firstNum;

for(counter = start; counter <= secondNum; counter = counter + 2)
sumSquareOdd = sumSquareOdd + counter * counter;

System.out.prin tln("Sum of the squares of odd integers between "
+ firstNum + " and " + secondNum
+ " = " + sumSquareOdd);

http://web.bvu.edu/faculty/schweller...riterDemo.java

[dnatzic]

Hello,

That clears up writing to a file, but how do I include my data that typically would go to the screen such as System.out.prin tln("Sum of the squares of odd integers between ") to end up in the file with the appropriate seperators?.

http://web.bvu.edu/faculty/schweller...riterDemo.java

[r035198x]

Hello,

That clears up writing to a file, but how do I include my data that typically would go to the screen such as System.out.prin tln("Sum of the squares of odd integers between ") to end up in the file with the appropriate seperators?.

You write the data to the file instead of to the console.