What is the underline for numeric literals?

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#1 by (11 votes)

8

What is the use of underline (_) in the situations below:

float pi =  3.14159_26535_89793_23846;
long bytes = 00101001_00100110_01100001;
int n = 1____________________1;

java

asked by anonymous 05.10.2017 / 22:22

1 answer

score 11 · Accepted Answer

It only serves to make reading easier. The compiler ignores them. For example, this:

private long milisegundosNoDia = 86_400_000;

It's easier to read (by a human) than this:

private long milisegundosNoDia = 86400000;