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Type: Posts; User: robertsbd

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1. ## Thread: help w/ PI Math java program

by robertsbd
Replies
8
Views
1,566

### Re: help w/ PI Math java program

ah..good shot man thanks
2. ## Thread: help w/ PI Math java program

by robertsbd
Replies
8
Views
1,566

### Re: help w/ PI Math java program

but it never showed the output of what the value of I is for PI to = 3.1419 or lower
3. ## Thread: help w/ PI Math java program

by robertsbd
Replies
8
Views
1,566

### Re: help w/ PI Math java program

alright i updated my code w/ a for loop and believe im getting some where

public class Assign3_Roberts {
public static void main(String[] args)
{
for (int i = 100; i <= 1000; i += 100) {...
4. ## Thread: help w/ PI Math java program

by robertsbd
Replies
8
Views
1,566

### Re: help w/ PI Math java program

alright here is my updated code but still not sure how to calculate the pi when i =200,300, etc

also i tried to work on the 2nd part of my code

public class Assign3_Roberts {
public static...
5. ## Thread: help w/ PI Math java program

by robertsbd
Replies
8
Views
1,566

### help w/ PI Math java program

im currently in entry level java class and need help with a code..here are my instructions

Mathematicians define the constant PI to be
PI = 4 *( 1 - 1/(2*2-1) + 1/(2*2+1) - 1/(2*4-1) +...
6. ## Thread: can someone tell me if this looks right??

by robertsbd
Replies
4
Views
655

### Re: can someone tell me if this looks right??

alright here is my updated code..and my out put will be posted at the bottom...getting the correct results just tell me if I am on the right track thanks

import java.io.*;
public class...
7. ## Thread: can someone tell me if this looks right??

by robertsbd
Replies
4
Views
655

### can someone tell me if this looks right??

these are the instructions that i was given

Write a program that calculates the area of a circle from its radius. The radius will be an integer entered via the keyboard.
Use this formula : area =...
8. ## Thread: help w/ storing/scanning numbers in two dimensional arrays

by robertsbd
Replies
10
Views
3,007

### Re: help w/ storing/scanning numbers in two dimensional arrays

not sure is this is any better here is what i changed

import java.util.Scanner;
import java.io.*;

public class Assign10_Roberts{
public static void main(String[] args){
9. ## Thread: help w/ storing/scanning numbers in two dimensional arrays

by robertsbd
Replies
10
Views
3,007

### Re: help w/ storing/scanning numbers in two dimensional arrays

here is my updated code and errors

public class Assign10_Roberts{
public static void main(String[] args){

//input Scanner
Scanner input=new Scanner(System.in);

int midTerm1=0;
10. ## Thread: help w/ storing/scanning numbers in two dimensional arrays

by robertsbd
Replies
10
Views
3,007

### Re: help w/ storing/scanning numbers in two dimensional arrays

ok here is my updated code and errors

import java.util.Scanner;
import java.io.*;

public class Assign10_Roberts{
public static void main(String[] args){
11. ## Thread: help w/ storing/scanning numbers in two dimensional arrays

by robertsbd
Replies
10
Views
3,007

### Re: help w/ storing/scanning numbers in two dimensional arrays

heres the errors im getting

Exception in thread "main" java.lang.Error: Unresolved compilation problems:
Duplicate local variable i
j cannot be resolved to a variable
Duplicate local...
12. ## Thread: help w/ storing/scanning numbers in two dimensional arrays

by robertsbd
Replies
10
Views
3,007

### help w/ storing/scanning numbers in two dimensional arrays

have a assignment that we have to accomplish the same work as in a previous assignment except use two dimensional arrays... this is my previous assignment

A Computer Technology Instructor has a...
13. ## Thread: help w/ storing/scanning numbers in arrays

by robertsbd
Replies
6
Views
996

### Re: help w/ storing/scanning numbers in arrays

also, trying to submit this assignment within and hour so a quick response is greatly appreciated..thanks

i updated my code and while im not getting the same error its only allowing me to enter 3...
14. ## Thread: help w/ storing/scanning numbers in arrays

by robertsbd
Replies
6
Views
996

### Re: help w/ storing/scanning numbers in arrays

ok i changed that..thanks, but im still getting the same error..here's my updated code

import java.util.Scanner;
import java.util.Arrays;

public class Assign9_Roberts

{
15. ## Thread: help w/ storing/scanning numbers in arrays

by robertsbd
Replies
6
Views
996

### Re: help w/ storing/scanning numbers in arrays

ok here is my updated code...when i run it, it prompts me to enter a grade and when i do i receive this error:

Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 10
at...
16. ## Thread: help w/ storing/scanning numbers in arrays

by robertsbd
Replies
6
Views
996

### help w/ storing/scanning numbers in arrays

these are my instructions
A Computer Technology Instructor has a small class of 10 students. The instructor evaluates the performance of students in the class by administering 2 midterm tests and a...
17. ## Thread: help w/ conversion of degrees(CtoF, FtoC)

by robertsbd
Replies
12
Views
2,926

### Re: help w/ conversion of degrees(CtoF, FtoC)

i think im more in the ballpark in what the assignment says..my errors are coming in the output

import java.util.Scanner;

public class Assign8_Roberts{

//Converts between CandF
private...
18. ## Thread: help w/ conversion of degrees(CtoF, FtoC)

by robertsbd
Replies
12
Views
2,926

### Re: help w/ conversion of degrees(CtoF, FtoC)

ok i've changed my program around and while im getting the correct results, im not sure if i have it designed the way the assignment says

public class Assign8_Roberts{

public static void...
19. ## Thread: help w/ conversion of degrees(CtoF, FtoC)

by robertsbd
Replies
12
Views
2,926

### Re: help w/ conversion of degrees(CtoF, FtoC)

yeah im using eclipse, ill give it a try when i get home..i just upgraded from vista to 7 so idk if that has anything to do w/ it
20. ## Thread: help w/ conversion of degrees(CtoF, FtoC)

by robertsbd
Replies
12
Views
2,926

### Re: help w/ conversion of degrees(CtoF, FtoC)

ok sorry about my previous rant..i apologize
but when i run the program, the output is the same as the output of another assignment on my workspace
21. ## Thread: help w/ conversion of degrees(CtoF, FtoC)

by robertsbd
Replies
12
Views
2,926

### Re: help w/ conversion of degrees(CtoF, FtoC)

here's my updated program..when i run it, it runs previous assignment that i've done instead of this one so something isnt right

import java.util.Scanner ;

public class Assign8_Roberts{

...
22. ## Thread: help w/ conversion of degrees(CtoF, FtoC)

by robertsbd
Replies
12
Views
2,926

### help w/ conversion of degrees(CtoF, FtoC)

here is what we're supposed to do
This assignment is a Celsius to Fahrenheit and Fahrenheit to Celsius temperature conversion program.

Write a class that contains the following...

by robertsbd
Replies
8
Views
1,859

bump........
24. ## Thread: help using for while loop

by robertsbd
Replies
8
Views
1,859

### Re: help using for while loop

ok i changed from !=0 to >=0 but when i enter a negative number i get this
Exception in thread "main" java.lang.ArithmeticException: / by zero
at Assign7_2_Roberts.main(Assign7_2_Roberts.java:26)
25. ## Thread: help using for while loop

by robertsbd
Replies
8
Views
1,859

### Re: help using for while loop

im working on the do-while loop assignment and the output "enter a number that is positive or zero" doesnt end

heres my code

import java.util.Scanner ;

public class Assign7_2_Roberts{
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