Pleas help on finding errors

[McXxT]

Hi guys, im doing this exersize and couldn't find the bug.

Try to print
" Sum = 15
Product = 120 ”

Here is the code.

public static void main(String[] args)
{
int count = 0;
int sum = 0;
int product = 0;
do
{
count++;
sum += count;
product *= count;
if (count == 5)
System.out.println("Sum = " + sum);
System.out.println("Product = " + product);
} while (count < 5);
}

and it will print like this
"
Product = 0
Product = 0
Product = 0
Product = 0
Sum = 15
Product = 0

[blurred83]

Ok, first consider the statement:
product *= count;

The variable 'product' is instantiated with the value 0, so every time you multiply it against something, it'll return 0, right? Since your goal is to show product equal to 120, there must be something wrong with that line, or you'll never get a value other than 0 when you multiply that variable's value against another integer...

Otherwise, look into 'If/Else' statements - particularly look into syntax. Can you include multiple lines under an if/else statement without including brackets? What kind of brackets do you need?

Hope this helps.

[kbindumadhavi]

public class Test2{
public static void main(String[] args)
{
int count = 0;
int sum = 0;
int product = 1;//Changed value to 1 as you were trying to multipy with 0 everytime
do
{
count++;
sum += count;
product *= count;
if (count == 5){//Start of if condition
System.out.println("Sum = " + sum);
System.out.println("Product = " + product);
}//Closed if condition
} while (count < 5);
}
}

Try this.

[blurred83]

kbindumadhavi - nice work... but if people are going to try to learn here, i assume the goal is to give them resources to research solutions rather than giving away solutions entirely.

[McXxT]

Ahh~~ I see.
Thanks a lot~
It is very helpful~

[McXxT]

Thank you blurred83 very much.
I got what I did wrong and learned from it.

[blurred83]

Good. Thanks.