Java - : long n = 8751475143; 错误

Question

这个数字属于长范围，那么为什么我会收到错误:

Exception in thread "main" java.lang.Error: Unresolved compilation problem: 
    The literal 8751475143 of type int is out of range 

Answer 1

做到了

long n = 8751475143L;

L 会使其长文字

默认情况下是int

An integer literal is of type long if it is suffixed with an ASCII letter L or l (ell); otherwise it is of type int (§4.2.1). The suffix L is preferred, because the letter l (ell) is often hard to distinguish from the digit 1 (one). [..]