Tag: long-integer

Parsing string long to int with java and python

I am trying to convert some java code to python. I have a problem with the following java lines : In java, i get those results : I think I understand the first line, but why is there a “(int)” here ? What is it supposed to do ? (I’m a beginner in java and in byte management, and I

Java hex calculation

I have the long value bits declared like so: long bits = len*8L; (304) System.out.println(bits); This outputs as 304 If I use the long name bits like so I get 0 & 0 respectively. System.out….

Issue Converting seconds to HH:MM:SS java

I have a long variable which represents the downtime of an application in seconds. I want to display the downtime as HH:mm:ss Long downTime = 755; Date newD = new Date(downTime * 1000); When …

Integer parameters formula returns integer

Code below makes foo value as -1149239296 i. e. integer value which is out of bounds: Seems like Java takes type of first parameter and tryes to return formula’s result with that type. Where in Java specification one can read that story? I made such suggestion cause actually returns sets long value to foo. Answer For this case, casting any

Why are 2 Long variables not equal with == operator in Java?

I got a very strange problem when I’m trying to compare 2 Long variables, they always show false and I can be sure they have the same number value by debugging in Eclipse: if (user.getId() == admin….