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We only learned the exact steps to input into the calculator to get the result. I learned more in my first hour of university math than the previous 3 years. We only learned the exact steps to input into the calculator to get the result. I learned more in my first hour of university math than the previous 3 years. We only learned the exact steps to input into the calculator to get the result. I learned more in my first hour of university math than the previous 3 years. 
Its a java question Its a java question 
So basically i have a problem with the split function in a for loop. I want it to be overwritten each itteration, but its not working. The first iteration is working fine, but the second iteration the array returns null
hasNextLine instead of hasNext when you fetch the line using nextLine 
Just give me a few min... also if i use arraylist, can i still iterate through it with "i"?
I have no idea why num was returning null before, but atleast its working now xD If you know what might have been wrong previously please let me know 
split method can return null at all, so maybe you put the println(num) somewhere where split was not called yet. 
