public class HelloWorld{? ? public static void main(String[] args) { ? ?int one = 10 ;? ? ? ? int two = 20 ;? ? ? ? int three = 0 ;? ? ? ?System.out.println("three=one+two==>"+(three=one+two));? ? ? ?System.out.println("three+=one==>"+(three+=one));? ? ? ?System.out.println("three-=one==>"+(three-=one));? ? ? ?System.out.println("three*=one==>"+(three*=one)); ? ?? ? ? ?System.out.println("three=/=one==>"+(three/=one));? ? ? ? //下劃線里面的123（加號后面的）分別代表哪些數字？還是int里面的值么？? ? ? ??? ? ? ??? ? ? ??? ? ? ??? ? ? ??? ? ? ??? ? ? ??? ? ? ??? ? ? ??? ? ? ??? ?? }}
System.out.println("three=one+two==>"+(three=one+two));加號后面代表什么。還是原來那個123么
holy_yakutsk
2016-11-03 13:47:05
