PeterX

Hi! I want to learn C language. my question is: how dose this while loop wok. [code] while((c=getChar()) !=EOF) if(c>'0' && c<'9') nbr++; [/code] How EOF(end of file ) works? EOF=-1; How can I stop the program? when I write (-1) I can not stop the program.

I have a litle problem please help me whit: I want to write a methode whit one paramter. public int studentInformation(int hour){//How long time(hour) he was at school. - - - - - - --- - - - - - - - - - - - - - - - …

My program prints out Fibonacci_number(0,1,1,2,3,5). The program is ok. My problem:I want to take a number from Fibonacci_number(0,1,1,2,3,5) and multiply whit 10. ex: I want to take 3 and multiply with 10. I tried to write another function and call a Fibonacci_number from fib(int k)and then multiply it whit 10. …

[code] #include<stdio.h> int main(){ double price=500; double year=5; double total; if(price==500) { //???????????????????? scanf("%f", &price); printf("%f\n", price); } total=(price * year); printf("%f\n", total); } [/code] why the scanf() can not get a new value from keyboard. I want to give a new value to the price but the out put …

Hi! I have problem with type conversion. when I compile the program I get this error: ( 'count' : redefinition; different basic types ). please tell me about type conversion. [Code] #include<stdio.h> int count(double houre, double charge); int main(){ double h=4; double c=2; printf("%d\n", count(h,c)); return 0; } int count(double …

Hi! I want to learn C programming. I have problem whit print out. if I have: [code] double value_1; int value_2; // how do I print out double ....? printf(?????) [/code] if I have [code] int A=5; double B=10.5; result=(double) A/B // the result type is double but how do …

Hi! [code] for (year = 1; year <= 15; year++) { cost = (interest_cost + monthly_instalment); totalCost+=cost; //after how many years the totalCost > price if(totalCost>price) printf(" %d ", year); } [/code] question:after how many years the totalCost > price? my problem: if the price is equal to 10 $ …

Please help me! My program does not work 1-I have problem wihte constructors parameters 2-I have problem whit toString methode. User writes(from keyboard): workers name, hourPayment, and time(how many hours he has worked, first week, second week....). The out put is like this: his(name) salary is.....$ for first week his(name) …

Hi! I have a little problem The program is OK, but I can not print out: QUESTION is how can I print out (class Test). I mean How can I write toString()methode.how can I print out "myTable" and the out put must be like this: Audi blue 180 Volvo red …

Hi! How can we print out boolean???? I mean when the method returns false or true. ex: public boolean test(int a, int b) return true return false thanks peter

Hi! 1. My metod has 4 int parameter, and return true if least one of those parameter can be dividable with 5. otherwise return false. 2. if least two or three of those parameter can be dividable with 5. Code: class Test{ public static void main(String[]args){ NumberTest myNbr=new NumberTest(); int …

Hi! I can not solve this JAVA problem. I tried to write: final int a=100; int nbr=Input.readInt();// from keyboard I try to find (nbr*nbr)>a ex: nbr=11 and 11*11=121 12*12=144 10*10=100 Output must be 121, not 144 but 144 is also >100 thanks Peter

ok the error is that it doesnt recognize the package class. [code] package celsiustofahrenheit; public class CelsiusToFahrenheit { public static void main(String args []) { double celsius, fahrenheit = 0; System.out.println("\n\tEnter temperature in celsius: "); celsius = MyInput.readDouble(); fahrenheit = 1.8 * celsius + 32; system.out.println("\n\tThat is " + fahrenheit …