I'm a total newbie to the java world. I came across a code such as presented below:
public static void main (String [] args){
int x,y;
boolean isprime;
for (x=2; x<100; x++) {
isprime=true;
for (y=2; y<=x/y;y++)
if ((x%y)==0) isprime = false;
if (isprime) System.out.println (x + " is a prime number");
}
}
My question is: Does the boolean isprime=true
relate to the x in a way that each x is true unless later it is false if x%y==0
???
I don't quite get it.
As others have pointed out, you have answered your own question correctly. Additionally, the spacing and lack of braces is confusing but a for
loop without braces only affects the next line. This is what the code would look like with the curly braces included:
public static void main (String [] args){
int x,y;
boolean isprime;
for (x=2; x<100; x++) {
isprime=true;
for (y=2; y<=x/y;y++) {
if ((x%y)==0) isprime = false;
}
if (isprime) System.out.println (x + " is a prime number");
}
}
Hope this helps!
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