This code acts as expected printing "Average Number of Runs: 0.99864197"
import java.util.Random;
public class A {
public static void main(String[] args) {
int min = -30;
int max = 1;
test(min, max);
}
static void test(int min, int max){
int count = 0;
Random rand = new Random(0);
for(int j = 0; j < 2097152; j++){
int number = min + rand.nextInt(max-min+1);
for(int i = 0; i < number; ++i) {
System.out.print("");
count++;
}
}
System.out.println("Average Number of Runs: " + count/65536F);
}
}
This code that should print the same exact number, but instead it prints a random negative number.
import java.util.Random;
public class A {
public static void main(String[] args) {
int min = -30;
int max = 1;
test(min, max);
}
static void test(int min, int max){
int count = 0;
Random rand = new Random(0);
for(int j = 0; j < 2097152; j++){
int number = min + rand.nextInt(max-min+1);
for(int i = 0; i < number; ++i) {
//System.out.print("");
count++;
}
}
System.out.println("Average Number of Runs: " + count/65536F);
}
}
Is there some optimization that happens in java for loops?
Notes:
- I'm using jdk1.6.0_45.
- In normal usage the new Random would have a better seed.
- min and max should be able to be any number.
