Today, after the discovery jdk1.5 increased variable parameters, previously also been not know
public static void main (String [] args) { System.out.println (getNum ( 1,2,3,4,5 )); } / * * 1. Up to a function a variable parameter, the variable parameter release other parameters in the variable parameter * 2.Java compile-time will be compiled into an array * / public static int getNum ( int ... a) { int SUM = 0 ; for ( int I: a) { SUM = SUM + I; } return SUM; }
In addition, the brush algorithm problem seen in the discussion area of api Collections of useful tools for assisting resolved, api for Collecitons of how not used, not very understanding, look at the Nuggets jdk8 document + a blog on the clear