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Compiles but does nt run.

Compiles but does nt run.

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jgear

7 Sep, 2008 - 07:23 AM

Post #1

New D.I.C Head

Joined: 17 Aug, 2008
Posts: 47

Thanked: 1 times
My Contributions

java

import java.io.*;
import java.util.Date;
import java.text.DecimalFormat;





public class MortgageCalculator{

public static void main(String[] args){
//Declares and builds the variable of the loan amount
int loanAmount = 200000;
double loanBalance = 0;
double interestPaid = 0;
int loanTerm[] = {84, 180, 360};
double interest[] = {.0535, .0550, .0575};
double monthlyPayment = 0;
DecimalFormat money =new DecimalFormat("0.00");

//Starts array loop
for (int i = 0; i < 3; i++) {
//Declares formula
monthlyPayment = (loanAmount*(interest[i]/12)) / (1 - 1 /Math.pow((1 + interest[i]/12), loanTerm[i]));

//Displays loop with first mortgage and interest paid
if (i == 1)
monthlyPayment = (loanAmount*(interest[0]/12)) / (1 - 1 /Math.pow((1 + interest[0]/12), loanTerm[0]));
loanBalance = loanBalance - monthlyPayment;
interestPaid = monthlyPayment * interest[0];

while (loanBalance > 0){

//Displays Mortgage Calculator with the first terms
System.out.println("Mortgage Calculator");
System.out.println("The loan amount is $200,000");
System.out.println("The term of the loan is " + loanTerm[0]);
System.out.println("The monthly payment is $" + money.format(monthlyPayment));
System.out.println("The loan balance is: $" + money.format(loanBalance));
System.out.println("The interest paid for the loan is $" + money.format(interestPaid));
System.out.println();

loanBalance = loanAmount - monthlyPayment;
interestPaid = monthlyPayment * interest[0];}

//Displays loop with second mortgage and interest paid
if (i == 2)
while (loanBalance > 0){
//Declares formulas
monthlyPayment = (loanAmount*(interest[1]/12)) / (1 - 1 /Math.pow((1 + interest[1]/12), loanTerm[1]));
loanBalance = loanAmount - monthlyPayment;
interestPaid = monthlyPayment * interest[1];

//Displays Mortgage Calculator with the first terms until balance equals zero
System.out.println("Mortgage Calculator");
System.out.println("The loan amount is $200,000");
System.out.println("The term of the loan is " + loanTerm[1]);
System.out.println("The monthly payment is $" + money.format(monthlyPayment));
System.out.println("The loan balance is: $" + money.format(loanBalance));
System.out.println("The interest paid for the loan is $" + money.format(interestPaid));
System.out.println();}

//Displays loop with third mortgage and interest paid
if (i == 3)
while (loanBalance > 0){
//Declares formulas
monthlyPayment = (loanAmount*(interest[2]/12)) / (1 - 1 /Math.pow((1 + interest[2]/12), loanTerm[2]));
loanBalance = loanAmount - monthlyPayment;
interestPaid = monthlyPayment * interest[2];

//Displays Mortgage Calculator with the first terms until balance equals zero
System.out.println("Mortgage Calculator");
System.out.println("The loan amount is $200,000");
System.out.println("The term of the loan is " + loanTerm[2]);
System.out.println("The monthly payment is $" + money.format(monthlyPayment));
System.out.println("The loan balance is: $" + money.format(loanBalance));
System.out.println("The interest paid for the loan is $" + money.format(interestPaid));
System.out.println();}
}
}
}

For some reason this calculator does not run. It compiles successfully but when I run it all I get as an output is "press any key to continue"
I know I am missing something stupid here. Any help would be great.

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jgear

RE: Compiles But Does Nt Run.
7 Sep, 2008 - 09:06 AM

Post #2

New D.I.C Head

Joined: 17 Aug, 2008
Posts: 47

Thanked: 1 times
My Contributions

QUOTE(jgear @ 7 Sep, 2008 - 08:23 AM)

java

import java.io.*;
import java.util.Date;
import java.text.DecimalFormat;





public class MortgageCalculator{

public static void main(String[] args){
//Declares and builds the variable of the loan amount
int loanAmount = 200000;
double loanBalance = 0;
double interestPaid = 0;
int loanTerm[] = {84, 180, 360};
double interest[] = {.0535, .0550, .0575};
double monthlyPayment = 0;
DecimalFormat money =new DecimalFormat("0.00");

//Starts array loop
for (int i = 0; i < 3; i++) {
//Declares formula
monthlyPayment = (loanAmount*(interest[i]/12)) / (1 - 1 /Math.pow((1 + interest[i]/12), loanTerm[i]));

//Displays loop with first mortgage and interest paid
if (i == 1)
monthlyPayment = (loanAmount*(interest[0]/12)) / (1 - 1 /Math.pow((1 + interest[0]/12), loanTerm[0]));
loanBalance = loanBalance - monthlyPayment;
interestPaid = monthlyPayment * interest[0];

while (loanBalance > 0){

//Displays Mortgage Calculator with the first terms
System.out.println("Mortgage Calculator");
System.out.println("The loan amount is $200,000");
System.out.println("The term of the loan is " + loanTerm[0]);
System.out.println("The monthly payment is $" + money.format(monthlyPayment));
System.out.println("The loan balance is: $" + money.format(loanBalance));
System.out.println("The interest paid for the loan is $" + money.format(interestPaid));
System.out.println();

loanBalance = loanAmount - monthlyPayment;
interestPaid = monthlyPayment * interest[0];}

//Displays loop with second mortgage and interest paid
if (i == 2)
while (loanBalance > 0){
//Declares formulas
monthlyPayment = (loanAmount*(interest[1]/12)) / (1 - 1 /Math.pow((1 + interest[1]/12), loanTerm[1]));
loanBalance = loanAmount - monthlyPayment;
interestPaid = monthlyPayment * interest[1];

//Displays Mortgage Calculator with the first terms until balance equals zero
System.out.println("Mortgage Calculator");
System.out.println("The loan amount is $200,000");
System.out.println("The term of the loan is " + loanTerm[1]);
System.out.println("The monthly payment is $" + money.format(monthlyPayment));
System.out.println("The loan balance is: $" + money.format(loanBalance));
System.out.println("The interest paid for the loan is $" + money.format(interestPaid));
System.out.println();}

//Displays loop with third mortgage and interest paid
if (i == 3)
while (loanBalance > 0){
//Declares formulas
monthlyPayment = (loanAmount*(interest[2]/12)) / (1 - 1 /Math.pow((1 + interest[2]/12), loanTerm[2]));
loanBalance = loanAmount - monthlyPayment;
interestPaid = monthlyPayment * interest[2];

//Displays Mortgage Calculator with the first terms until balance equals zero
System.out.println("Mortgage Calculator");
System.out.println("The loan amount is $200,000");
System.out.println("The term of the loan is " + loanTerm[2]);
System.out.println("The monthly payment is $" + money.format(monthlyPayment));
System.out.println("The loan balance is: $" + money.format(loanBalance));
System.out.println("The interest paid for the loan is $" + money.format(interestPaid));
System.out.println();}
}
}
}

Ok. I think the program is running I have just forgotten to pause the display. However, I am now having a hard time getting the pause to work.

java

import java.io.*;
import java.util.Date;
import java.text.DecimalFormat;





public class mortgage4{

public static void main(String[] args){
//Declares and builds the variable of the loan amount
int loanAmount = 200000;
double loanBalance = 0;
double interestPaid = 0;
int loanTerm[] = {84, 180, 360};
double interest[] = {.0535, .0550, .0575};
double monthlyPayment = 0;
DecimalFormat money =new DecimalFormat("0.00");

//Starts array loop
for (int i = 0; i < 3; i++) {
//Declares formula
monthlyPayment = (loanAmount*(interest[i]/12)) / (1 - 1 /Math.pow((1 + interest[i]/12), loanTerm[i]));

//Displays loop with first mortgage and interest paid
if (i == 1)
monthlyPayment = (loanAmount*(interest[0]/12)) / (1 - 1 /Math.pow((1 + interest[0]/12), loanTerm[0]));
loanBalance = loanBalance - monthlyPayment;
interestPaid = monthlyPayment * interest[0];

while (loanBalance > 0){

//Displays Mortgage Calculator with the first terms
System.out.println("Mortgage Calculator");
System.out.println("The loan amount is $200,000");
System.out.println("The term of the loan is " + loanTerm[0]);
System.out.println("The monthly payment is $" + money.format(monthlyPayment));
System.out.println("The loan balance is: $" + money.format(loanBalance));
System.out.println("The interest paid for the loan is $" + money.format(interestPaid));
System.out.println();

loanBalance = loanAmount - monthlyPayment;
interestPaid = monthlyPayment * interest[0];}

//Displays loop with second mortgage and interest paid
if (i == 2)
while (loanBalance > 0){
//Declares formulas
monthlyPayment = (loanAmount*(interest[1]/12)) / (1 - 1 /Math.pow((1 + interest[1]/12), loanTerm[1]));
loanBalance = loanAmount - monthlyPayment;
interestPaid = monthlyPayment * interest[1];

//Displays Mortgage Calculator with the first terms until balance equals zero
System.out.println("Mortgage Calculator");
System.out.println("The loan amount is $200,000");
System.out.println("The term of the loan is " + loanTerm[1]);
System.out.println("The monthly payment is $" + money.format(monthlyPayment));
System.out.println("The loan balance is: $" + money.format(loanBalance));
System.out.println("The interest paid for the loan is $" + money.format(interestPaid));
System.out.println();}

//Displays loop with third mortgage and interest paid
if (i == 3)
while (loanBalance > 0){
//Declares formulas
monthlyPayment = (loanAmount*(interest[2]/12)) / (1 - 1 /Math.pow((1 + interest[2]/12), loanTerm[2]));
loanBalance = loanAmount - monthlyPayment;
interestPaid = monthlyPayment * interest[2];

//Displays Mortgage Calculator with the first terms until balance equals zero
System.out.println("Mortgage Calculator");
System.out.println("The loan amount is $200,000");
System.out.println("The term of the loan is " + loanTerm[2]);
System.out.println("The monthly payment is $" + money.format(monthlyPayment));
System.out.println("The loan balance is: $" + money.format(loanBalance));
System.out.println("The interest paid for the loan is $" + money.format(interestPaid));
System.out.println();}


}
}
}
//Pauses screen
 if (lineCount ==15) {
 lineCount--;

 try {
 Thread.sleep(3000);
 } catch (InterruptedException e) {
	 e.printStackTrace();
 }
 }
 }
 }
}

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BigAnt	RE: Compiles But Does Nt Run. 7 Sep, 2008 - 11:08 AM Post #3
May Your Swords Stay Sharp Joined: 16 Aug, 2008 Posts: 2,384 Thanked: 95 times Dream Kudos: 75 My Contributions	The way the program is written nothing will be printed out. The if statements do not have the { } brackets surrounding them so they will terminate as soon as they hit the next ';', anything after that will be eexcuted each time through the loop. The loanBalance is also never initially set to anything besides 0, which means the while loops will never execute, the loan balance needs to be reset each time through the loop at each of the if statements. The statement loanBalance = loanAmount - monthlyPayment; in each of the while loops should be loanBalance = loanBalance - monthlyPayment; in the first statement the loanBalance will be reset to 200000 resulting in an infinite loop. Also the if statements should start at if (i == 0) and go to if(i == 2) in the for loop you have if(i == 3) will never be executed cause i will never be greater than 2
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jgear

RE: Compiles But Does Nt Run.
7 Sep, 2008 - 12:33 PM

Post #4

New D.I.C Head

Joined: 17 Aug, 2008
Posts: 47

Thanked: 1 times
My Contributions

QUOTE(BigAnt @ 7 Sep, 2008 - 12:08 PM)

The way the program is written nothing will be printed out. The if statements do not have the { } brackets surrounding them so they will terminate as soon as they hit the next ';', anything after that will be eexcuted each time through the loop.

The loanBalance is also never initially set to anything besides 0, which means the while loops will never execute, the loan balance needs to be reset each time through the loop at each of the if statements.

The statement
loanBalance = loanAmount - monthlyPayment;
in each of the while loops should be
loanBalance = loanBalance - monthlyPayment;
in the first statement the loanBalance will be reset to 200000 resulting
in an infinite loop.

Also the if statements should start at if (i == 0) and go to if(i == 2)
in the for loop you have if(i == 3) will never be executed cause i will never be greater than 2

Thank you. I am confused about the brackets with the if statements. I did change the loanBalance statements. I am really confused at this tme. This asssignment is do today and I am getting more confused by the minute.

java

import java.io.*;
import java.util.Date;
import java.text.DecimalFormat;





public class mortgage4{

public static void main(String[] args){
//Declares and builds the variable of the loan amount
int loanAmount = 200000;
double loanBalance = 0;
double interestPaid = 0;
int loanTerm[] = {84, 180, 360};
double interest[] = {.0535, .0550, .0575};
double monthlyPayment = 0;
DecimalFormat money =new DecimalFormat("0.00");

//Starts array loop
for (int i = 0; i < 3; i++) {
//Declares formula
monthlyPayment = (loanAmount*(interest[i]/12)) / (1 - 1 /Math.pow((1 + interest[i]/12), loanTerm[i]));

//Displays loop with first mortgage and interest paid
if (i == 1){
monthlyPayment = (loanAmount*(interest[0]/12)) / (1 - 1 /Math.pow((1 + interest[0]/12), loanTerm[0]));
loanBalance = loanBalance - monthlyPayment;
interestPaid = monthlyPayment * interest[0];}

while (loanBalance > 0){

//Displays Mortgage Calculator with the first terms
System.out.println("Mortgage Calculator");
System.out.println("The loan amount is $200,000");
System.out.println("The term of the loan is " + loanTerm[0]);
System.out.println("The monthly payment is $" + money.format(monthlyPayment));
System.out.println("The loan balance is: $" + money.format(loanBalance));
System.out.println("The interest paid for the loan is $" + money.format(interestPaid));
System.out.println();

loanBalance = loanBalance - monthlyPayment;
interestPaid = monthlyPayment * interest[0];}

//Displays loop with second mortgage and interest paid
if (i == 2)
while (loanBalance > 0){
//Declares formulas
monthlyPayment = (loanAmount*(interest[1]/12)) / (1 - 1 /Math.pow((1 + interest[1]/12), loanTerm[1]));
loanBalance = loanBalance - monthlyPayment;
interestPaid = monthlyPayment * interest[1];

//Displays Mortgage Calculator with the first terms until balance equals zero
System.out.println("Mortgage Calculator");
System.out.println("The loan amount is $200,000");
System.out.println("The term of the loan is " + loanTerm[1]);
System.out.println("The monthly payment is $" + money.format(monthlyPayment));
System.out.println("The loan balance is: $" + money.format(loanBalance));
System.out.println("The interest paid for the loan is $" + money.format(interestPaid));
System.out.println();}

//Displays loop with third mortgage and interest paid
if (i == 3)
while (loanBalance > 0){
//Declares formulas
monthlyPayment = (loanAmount*(interest[2]/12)) / (1 - 1 /Math.pow((1 + interest[2]/12), loanTerm[2]));
loanBalance = loanBalance - monthlyPayment;
interestPaid = monthlyPayment * interest[2];

//Displays Mortgage Calculator with the first terms until balance equals zero
System.out.println("Mortgage Calculator");
System.out.println("The loan amount is $200,000");
System.out.println("The term of the loan is " + loanTerm[2]);
System.out.println("The monthly payment is $" + money.format(monthlyPayment));
System.out.println("The loan balance is: $" + money.format(loanBalance));
System.out.println("The interest paid for the loan is $" + money.format(interestPaid));
System.out.println();}
}
}
}

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BigAnt

RE: Compiles But Does Nt Run.
7 Sep, 2008 - 12:58 PM

Post #5

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Joined: 16 Aug, 2008
Posts: 2,384

Who Cares

Thanked: 95 times
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java

 
//Displays loop with first mortgage and interest paid
if (i == 1){
monthlyPayment = (loanAmount*(interest[0]/12)) / (1 - 1 /Math.pow((1 + interest[0]/12), loanTerm[0]));
loanBalance = loanBalance - monthlyPayment;
interestPaid = monthlyPayment * interest[0];}

while (loanBalance > 0){

//Displays Mortgage Calculator with the first terms
System.out.println("Mortgage Calculator");
System.out.println("The loan amount is $200,000");
System.out.println("The term of the loan is " + loanTerm[0]);
System.out.println("The monthly payment is $" + money.format(monthlyPayment));
System.out.println("The loan balance is: $" + money.format(loanBalance));
System.out.println("The interest paid for the loan is $" + money.format(interestPaid));
System.out.println();

loanBalance = loanBalance - monthlyPayment;
interestPaid = monthlyPayment * interest[0];}

java


if (i == 1) {
   monthlyPayment = (loanAmount*(interest[0]/12)) / (1 - 1 /Math.pow((1 + interest[0]/12), loanTerm[0]));
   loanBalance = loanBalance - monthlyPayment;
   interestPaid = monthlyPayment * interest[0];
//}  If the if end here the while loop will execute each time the for loop loops
   while (loanBalance > 0){

	  //Displays Mortgage Calculator with the first terms
	  System.out.println("Mortgage Calculator");
	  System.out.println("The loan amount is $200,000");
	  System.out.println("The term of the loan is " + loanTerm[0]);
	  System.out.println("The monthly payment is $" + money.format(monthlyPayment));
	  System.out.println("The loan balance is: $" + money.format(loanBalance));
	  System.out.println("The interest paid for the loan is $" + money.format(interestPaid));
	  System.out.println();

	  loanBalance = loanBalance - monthlyPayment;
	  interestPaid = monthlyPayment * interest[0];

}// End while

}//End if   The while loop will execute only with the if statement

The { } brackets surround what should be executed with the if statement. If you are confused about where to put them i would reccomended to label the { } brackets to indicate which ones are which and to indent the code to make it easier to follow.
These changes need to be done to all three if statements to get the loops to execute when you want them to.

Also change the boolean statements in the if statements to be from 0-2 insteaed of 1-3 or else all the loops will not execute.

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jgear

RE: Compiles But Does Nt Run.
7 Sep, 2008 - 01:17 PM

Post #6

New D.I.C Head

Joined: 17 Aug, 2008
Posts: 47

Thanked: 1 times
My Contributions

QUOTE(BigAnt @ 7 Sep, 2008 - 01:58 PM)

java

 
//Displays loop with first mortgage and interest paid
if (i == 1){
monthlyPayment = (loanAmount*(interest[0]/12)) / (1 - 1 /Math.pow((1 + interest[0]/12), loanTerm[0]));
loanBalance = loanBalance - monthlyPayment;
interestPaid = monthlyPayment * interest[0];}

while (loanBalance > 0){

//Displays Mortgage Calculator with the first terms
System.out.println("Mortgage Calculator");
System.out.println("The loan amount is $200,000");
System.out.println("The term of the loan is " + loanTerm[0]);
System.out.println("The monthly payment is $" + money.format(monthlyPayment));
System.out.println("The loan balance is: $" + money.format(loanBalance));
System.out.println("The interest paid for the loan is $" + money.format(interestPaid));
System.out.println();

loanBalance = loanBalance - monthlyPayment;
interestPaid = monthlyPayment * interest[0];}

CODE

if (i == 1) {
   monthlyPayment = (loanAmount*(interest[0]/12)) / (1 - 1 /Math.pow((1 + interest[0]/12), loanTerm[0]));
   loanBalance = loanBalance - monthlyPayment;
   interestPaid = monthlyPayment * interest[0];
//}  If the if end here the while loop will execute each time the for loop loops
   while (loanBalance > 0){

      //Displays Mortgage Calculator with the first terms
      System.out.println("Mortgage Calculator");
      System.out.println("The loan amount is $200,000");
      System.out.println("The term of the loan is " + loanTerm[0]);
      System.out.println("The monthly payment is $" + money.format(monthlyPayment));
      System.out.println("The loan balance is: $" + money.format(loanBalance));
      System.out.println("The interest paid for the loan is $" + money.format(interestPaid));
      System.out.println();

      loanBalance = loanBalance - monthlyPayment;
      interestPaid = monthlyPayment * interest[0];

}// End while

}//End if   The while loop will execute only with the if statement

Ok. By the way I appreciate your patience. I think I did what you requested. Now I get the error "cannot resolve symbol symbol: variable1 if(i==2){}

java

import java.io.*;
import java.util.Date;
import java.text.DecimalFormat;





public class mortgage4{

public static void main(String[] args){
//Declares and builds the variable of the loan amount
int loanAmount = 200000;
double loanBalance = 0;
double interestPaid = 0;
int loanTerm[] = {84, 180, 360};
double interest[] = {.0535, .0550, .0575};
double monthlyPayment = 0;
DecimalFormat money =new DecimalFormat("0.00");

//Starts array loop
	for (int i = 0; i < 2; i++) {
//Declares formula
		 monthlyPayment = (loanAmount*(interest[i]/12)) / (1 - 1 /Math.pow((1 + interest[i]/12), loanTerm[i]));

//Displays loop with first mortgage and interest paid
if (i == 0){
monthlyPayment = (loanAmount*(interest[0]/12)) / (1 - 1 /Math.pow((1 + interest[0]/12), loanTerm[0]));
loanBalance = loanBalance - monthlyPayment;
interestPaid = monthlyPayment * interest[0];}

while (loanBalance > 0){

//Displays Mortgage Calculator with the first terms
System.out.println("Mortgage Calculator");
System.out.println("The loan amount is $200,000");
System.out.println("The term of the loan is " + loanTerm[0]);
System.out.println("The monthly payment is $" + money.format(monthlyPayment));
System.out.println("The loan balance is: $" + money.format(loanBalance));
System.out.println("The interest paid for the loan is $" + money.format(interestPaid));
System.out.println();

loanBalance = loanBalance - monthlyPayment;
interestPaid = monthlyPayment * interest[0];}

//Displays loop with second mortgage and interest paid
if (i == 1){}
while (loanBalance > 0){
//Declares formulas
monthlyPayment = (loanAmount*(interest[1]/12)) / (1 - 1 /Math.pow((1 + interest[1]/12), loanTerm[1]));
loanBalance = loanBalance - monthlyPayment;
interestPaid = monthlyPayment * interest[1];}

//Displays Mortgage Calculator with the first terms until balance equals zero
System.out.println("Mortgage Calculator");
System.out.println("The loan amount is $200,000");
System.out.println("The term of the loan is " + loanTerm[1]);
System.out.println("The monthly payment is $" + money.format(monthlyPayment));
System.out.println("The loan balance is: $" + money.format(loanBalance));
System.out.println("The interest paid for the loan is $" + money.format(interestPaid));
System.out.println();}

//Displays loop with third mortgage and interest paid
if (i == 2){}
while (loanBalance > 0){
//Declares formulas
monthlyPayment = (loanAmount*(interest[2]/12)) / (1 - 1 /Math.pow((1 + interest[2]/12), loanTerm[2]));
loanBalance = loanBalance - monthlyPayment;
interestPaid = monthlyPayment * interest[2];

//Displays Mortgage Calculator with the first terms until balance equals zero
System.out.println("Mortgage Calculator");
System.out.println("The loan amount is $200,000");
System.out.println("The term of the loan is " + loanTerm[2]);
System.out.println("The monthly payment is $" + money.format(monthlyPayment));
System.out.println("The loan balance is: $" + money.format(loanBalance));
System.out.println("The interest paid for the loan is $" + money.format(interestPaid));
System.out.println();}
	}
}

Edited to add =java to the code tag... that might help to align the {}

This post has been edited by pbl: 7 Sep, 2008 - 06:09 PM

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BigAnt	RE: Compiles But Does Nt Run. 7 Sep, 2008 - 01:52 PM Post #7
May Your Swords Stay Sharp Joined: 16 Aug, 2008 Posts: 2,384 Thanked: 95 times Dream Kudos: 75 My Contributions	You have to put the statements you want executed when the if boolean statement is true between the { } braces. If you have if(i == 0) { } then no statements will be executed when the if statements is true because there are no statements between the { } braces. The first if statement is shown in my previous posted code. Follow this to format the last 2 if statements. After that at the beginning of each if statement (before anything else) you should set loanBalance = loanAmmount; to initialize the loanBalance before the while loop. This post has been edited by BigAnt: 7 Sep, 2008 - 01:53 PM
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jgear	RE: Compiles But Does Nt Run. 7 Sep, 2008 - 02:00 PM Post #8
New D.I.C Head Joined: 17 Aug, 2008 Posts: 47 Thanked: 1 times My Contributions	QUOTE(BigAnt @ 7 Sep, 2008 - 02:52 PM) You have to put the statements you want executed when the if boolean statement is true between the { } braces. If you have if(i == 0) { } then no statements will be executed when the if statements is true because there are no statements between the { } braces. The first if statement is shown in my previous posted code. Follow this to format the last 2 if statements. After that at the beginning of each if statement (before anything else) you should set loanBalance = loanAmmount; to initialize the loanBalance before the while loop. Thank you very much. I think I got it.
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