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Java Loops validation not woorking - help
I'm trying to do a nested if inside a loop. The user has to enter a period between 5, 10, 15, 20, 25 years. Each year has a different rate and if the user enter a number that is not within these numbers the question is ask again.
The program runs good but the nested do-while loop is not working. If you see the condition of the while then you can see that it have to be a validation and if it is not in the range of those numbers it has to ask the questions again. And if you type 0 it ends the progam. The validation it's not working and I don't not why
import java.util.Scanner;
import java.text.DecimalFormat;
public class ACMEMORTGAGE
{
public static void main (String args [])
{
//Declare variables
double principal, rate=0;
int mortgageTerm;
Scanner key=new Scanner(System.in);
DecimalFormat decimalPlaces=new DecimalFormat("$0.00");
do
{
System.out.print("Enter principal amount (0 to end program):");
principal=key.nextInt();
do
{
System.out.print("Enter mortgage amortization (1, 2, 3, 5, 10.):");
mortgageTerm=key.nextInt();
if (mortgageTerm==1)
{
rate=0.035;
}
else if (mortgageTerm==2)
{
rate=0.039;
}
else if (mortgageTerm==3)
{
rate=0.044;
}
else if (mortgageTerm==5)
{
rate=0.05;
}
else if (mortgageTerm==10)
{
rate=0.060;
}
} while (mortgageTerm==1 && mortgageTerm==2 && mortgageTerm==3 && mortgageTerm==5 && mortgageTerm==10);
}while (principal!=0);
}
}
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Tiger Shark
Originally Posted by shinju
while (mortgageTerm==1 && mortgageTerm==2 && mortgageTerm==3 && mortgageTerm==5 && mortgageTerm==10);
mortgageTerm is never going to equal all five of those values at once.
I think you want (mortageTerm!=1 && ..etc
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