Thread View: aus.computers.java
3 messages
3 total messages
Started by Knowledge
Wed, 07 Jul 1999 00:00
converting integers
Author: Knowledge
Date: Wed, 07 Jul 1999 00:00
Date: Wed, 07 Jul 1999 00:00
60 lines
2358 bytes
2358 bytes
Hi....I am writing this program for my course. I have been mucking around
with doubles and floats...etc. Though I have tried to set the variables to
double, I get compile errors. I have changed Integer.parseInt (initString)
to Double.parseDouble(initString) but this compiles an error and too mention
that double A_Invest; also compiles an error.
What I am asking is, Can someone show me how to change the Integer.parseInt
(initString) so I can accept decimal input from the command line. Here is my
source code:-
import java.io.*;
public class Investment {
public static void main (String[] args)
throws IOException
{
BufferedReader stdin = new BufferedReader
(new InputStreamReader (System.in));
String initString;
int A_Invest;
int N_Years;
int Interest_Rate;
int Value;
int j;
System.out.print ("Enter the amount to invest: ");
initString = stdin.readLine();
A_Invest = Integer.parseInt (initString);
System.out.print (" ");
System.out.print ("Enter the Interest Rate:");
initString = stdin.readLine();
Interest_Rate = Integer.parseInt (initString);
System.out.print (" ");
System.out.print ("Enter the number of years: ");
initString = stdin.readLine();
N_Years = Integer.parseInt (initString);
System.out.print (" ");
Value = A_Invest * (1 + Interest_Rate) * N_Years;
j = 1;
for (int i = 0; i < N_Years; i++) {
System.out.print ("The value of your " + j++);
System.out.print (" Year return will be: " + Value);
System.out.println (" ");
}
}
}
Re: converting integers
Author: Java Lover
Date: Wed, 07 Jul 1999 00:00
Date: Wed, 07 Jul 1999 00:00
76 lines
2702 bytes
2702 bytes
Hi I think you have solved your problem now, cya.
Knowledge <don'tsend@email.com.au> wrote in message
news:Kerg3.109$QF3.14392@nsw.nnrp.telstra.net...
> Hi....I am writing this program for my course. I have been mucking around
> with doubles and floats...etc. Though I have tried to set the variables to
> double, I get compile errors. I have changed Integer.parseInt (initString)
> to Double.parseDouble(initString) but this compiles an error and too
mention
> that double A_Invest; also compiles an error.
>
> What I am asking is, Can someone show me how to change the
Integer.parseInt
> (initString) so I can accept decimal input from the command line. Here is
my
> source code:-
>
>
>
>
> import java.io.*;
>
> public class Investment {
>
> public static void main (String[] args)
> throws IOException
> {
>
> BufferedReader stdin = new BufferedReader
> (new InputStreamReader (System.in));
>
>
> String initString;
> int A_Invest;
> int N_Years;
> int Interest_Rate;
> int Value;
> int j;
>
> System.out.print ("Enter the amount to invest: ");
> initString = stdin.readLine();
> A_Invest = Integer.parseInt (initString);
>
> System.out.print (" ");
>
> System.out.print ("Enter the Interest Rate:");
> initString = stdin.readLine();
> Interest_Rate = Integer.parseInt (initString);
>
> System.out.print (" ");
>
> System.out.print ("Enter the number of years: ");
> initString = stdin.readLine();
> N_Years = Integer.parseInt (initString);
>
> System.out.print (" ");
>
> Value = A_Invest * (1 + Interest_Rate) * N_Years;
>
> j = 1;
> for (int i = 0; i < N_Years; i++) {
> System.out.print ("The value of your " + j++);
> System.out.print (" Year return will be: " + Value);
> System.out.println (" ");
> }
> }
> }
>
>
>
>
>
>
>
>
Re: converting integers
Author: boyick
Date: Wed, 07 Jul 1999 00:00
Date: Wed, 07 Jul 1999 00:00
209 lines
6037 bytes
6037 bytes
I compiled the code and it works
just declare your variables as doubles and
A_Invest = Double.parseDouble(initString)
should work
import java.io.*;
public class Investment {
public static void main (String[] args)
throws IOException
{
BufferedReader stdin = new BufferedReader
(new InputStreamReader (System.in));
String initString;
double A_Invest;
int N_Years;
double Interest_Rate;
double Value;
int j;
System.out.print ("Enter the amount to invest: ");
initString = stdin.readLine();
A_Invest = Double.parseDouble(initString) ;
System.out.print ("Enter the amount to invest: " + A_Invest );
System.out.print (" ");
System.out.print ("Enter the Interest Rate:");
initString = stdin.readLine();
Interest_Rate = Double.parseDouble(initString) ;
System.out.print (" ");
System.out.print ("Enter the number of years: ");
initString = stdin.readLine();
N_Years = Integer.parseInt (initString);
System.out.print (" ");
Value = A_Invest * (1 + Interest_Rate) * N_Years;
j = 1;
for (int i = 0; i < N_Years; i++) {
System.out.print ("The value of your " + j++);
System.out.print (" Year return will be: " + Value);
System.out.println (" ");
}
}
}
----- Original Message -----
From: Knowledge <don'tsend@email.com.au>
Newsgroups: aus.computers.java
Sent: Wednesday, July 07, 1999 3:34 AM
Subject: converting integers
> Hi....I am writing this program for my course. I have been mucking around
> with doubles and floats...etc. Though I have tried to set the variables to
> double, I get compile errors. I have changed Integer.parseInt (initString)
> to Double.parseDouble(initString) but this compiles an error and too
mention
> that double A_Invest; also compiles an error.
>
> What I am asking is, Can someone show me how to change the
Integer.parseInt
> (initString) so I can accept decimal input from the command line. Here is
my
> source code:-
>
>
>
>
> import java.io.*;
>
> public class Investment {
>
> public static void main (String[] args)
> throws IOException
> {
>
> BufferedReader stdin = new BufferedReader
> (new InputStreamReader (System.in));
>
>
> String initString;
> int A_Invest;
> int N_Years;
> int Interest_Rate;
> int Value;
> int j;
>
> System.out.print ("Enter the amount to invest: ");
> initString = stdin.readLine();
> A_Invest = Integer.parseInt (initString);
>
> System.out.print (" ");
>
> System.out.print ("Enter the Interest Rate:");
> initString = stdin.readLine();
> Interest_Rate = Integer.parseInt (initString);
>
> System.out.print (" ");
>
> System.out.print ("Enter the number of years: ");
> initString = stdin.readLine();
> N_Years = Integer.parseInt (initString);
>
> System.out.print (" ");
>
> Value = A_Invest * (1 + Interest_Rate) * N_Years;
>
> j = 1;
> for (int i = 0; i < N_Years; i++) {
> System.out.print ("The value of your " + j++);
> System.out.print (" Year return will be: " + Value);
> System.out.println (" ");
> }
> }
> }
>
>
>
>
>
>
>
>
Knowledge <don'tsend@email.com.au> wrote in message
news:Kerg3.109$QF3.14392@nsw.nnrp.telstra.net...
> Hi....I am writing this program for my course. I have been mucking around
> with doubles and floats...etc. Though I have tried to set the variables to
> double, I get compile errors. I have changed Integer.parseInt (initString)
> to Double.parseDouble(initString) but this compiles an error and too
mention
> that double A_Invest; also compiles an error.
>
> What I am asking is, Can someone show me how to change the
Integer.parseInt
> (initString) so I can accept decimal input from the command line. Here is
my
> source code:-
>
>
>
>
> import java.io.*;
>
> public class Investment {
>
> public static void main (String[] args)
> throws IOException
> {
>
> BufferedReader stdin = new BufferedReader
> (new InputStreamReader (System.in));
>
>
> String initString;
> int A_Invest;
> int N_Years;
> int Interest_Rate;
> int Value;
> int j;
>
> System.out.print ("Enter the amount to invest: ");
> initString = stdin.readLine();
> A_Invest = Integer.parseInt (initString);
>
> System.out.print (" ");
>
> System.out.print ("Enter the Interest Rate:");
> initString = stdin.readLine();
> Interest_Rate = Integer.parseInt (initString);
>
> System.out.print (" ");
>
> System.out.print ("Enter the number of years: ");
> initString = stdin.readLine();
> N_Years = Integer.parseInt (initString);
>
> System.out.print (" ");
>
> Value = A_Invest * (1 + Interest_Rate) * N_Years;
>
> j = 1;
> for (int i = 0; i < N_Years; i++) {
> System.out.print ("The value of your " + j++);
> System.out.print (" Year return will be: " + Value);
> System.out.println (" ");
> }
> }
> }
>
>
>
>
>
>
>
>
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