Is "long x = 1/2" equal to 1 or 0, and why?

java c long-integer integer-division
user69514 picture user69514 · Feb 2, 2010 · Viewed 8.8k times · Source

if I have something like:

long x = 1/2;

shouldn't this be rounded up to 1? When I print it on the screen it say 0.

Answer

tvanfosson picture tvanfosson · Feb 2, 2010

It's doing integer division, which truncates everything to the right of the decimal point.

Related questions

max value of integer

In C, the integer (for 32 bit machine) is 32 bits, and it ranges from -32,768 to +32,767. In Java, the integer(long) is also 32 bits, but ranges from -2,147,483,648 to +2,147,483,647. I do not understand how the range is different in Java, even …

Read More
Is there a Java equivalent or methodology for the typedef keyword in C++?

Coming from a C and C++ background, I found judicious use of typedef to be incredibly helpful. Do you know of a way to achieve similar functionality in Java, whether that be a Java mechanism, pattern, or some other effective …

Read More
Interview question: Check if one string is a rotation of other string

A friend of mine was asked the following question today at interview for the position of software developer: Given two string s1 and s2 how will you check if s1 is a rotated version of s2 ? Example: If s1 = "stackoverflow" …

Read More