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help with some basic java

dubdad

anybody tell me why this code will not print out the value for 'i'
any help greatly appreciated.
I know its probably the logic in the nested if statements, but i dont understand why.

for(i = 123 ; i < X ; i++) // output machine
	   {  //output.println(i + "i");//*******rem latr**********

		   if((x != y) && (x != z) && (y != z))
		   {
			   if((x < y) && (y < z))
			   {
				   if((x == 0) && (y == 0) && (z == 0))
				   {
					   output.println(i); // payload
				   }
			   }
		   }

		   z = z + 1;
		   if(z == 10)
		   {
			   z = 0;
			   y = y + 1;
			   if(y == 10)
			   {
				   y = 0;
				   x = x + 1;
			   }
		   }

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mark renton

dubdad wrote: »

anybody tell me why this code will not print out the value for 'i'
any help greatly appreciared.
I know its probably the logic in the nested if statements, but i dont understand why.

for(i = 123 ; i < X ; i++) // output machine
{

if((x != y) && (x != z) && (y != z))
{
if((x < y) && (y < z))
{
if((x == 0) && (y == 0) && (z == 0))
{
output.println(i); // payload
}
}
}

z = z + 1;
if(z == 10)
{
z = 0;
y = y + 1;
if(y == 10)
{
y = 0;
x = x + 1;
}
}

Whats the value of x?

dubdad

sorry
x =1
y =2
z = 3

mark renton

dubdad wrote: »

sorry
x =1
y =2
z = 3

Check your for loop. i is greater than x so loop wont start

djk1000

I'm on my phone so it's hard to read, but if i is 123 and x is 1 then the i<x condition isn't met in line 1

Edit: Looks like I'm too slow!

dubdad

sorry the X in the for loop counting part is uppercase
it will be a number between 200 and 1000 depending on the user input

mark renton

dubdad wrote: »

&#9;   for(i = 123 ; i &#60; X ; i++) 


&#9;&#9;   }

i =123 // starts i at 123
i<x // loop while is less than x - i is greater than x so this is never true

dubdad

loop runs ok its just not getting through the nested if statements
to print out values for i

sorry about the confusion with the two diffrent x and X
you can tell i am new at this

mark renton

dubdad wrote: »

sorry the X in the for loop counting part is uppercase
it will be a number between 200 and 1000 depending on the user input

Ok but x,y and z are never equal to 0 so this condition is not met

Line 8

Also someone will come in here and wrap ur knuckles for using x and X as variables - programmers hate that kinda stuff!

areyawell

What exactly are you trying to do?. The code is all over the place. What are they asking you to do in the assignment?

if((x == 0) && (y == 0) && (z == 0))
{
output.println(i); // payload

You want all x,y and z to be 0 to print out i?

dubdad

ok all i got it sorted
now i'm off to bed : }

dubdad

you are right of course
i heed to have :
if((x != 0) && (y != 0) && (z != 0))
{
output.println(i); // payload
}
on that line

spotted it and it spun the numbers out for me

i was trying to find the 'ordered' numbers between 123 and a variable, the large 'X'

thank you all very much for your time in any event

dd..

oscarBravo

Glad you got it sorted, but john47832 is right: using a lowercase and an uppercase X as variables is going to get people swearing at you. Choosing useful variable names is an important part of writing maintainable code, and two variable names that look almost identical is a recipe for subtle bugs.