Java基础询问
y = x + x;y += y + y;
+=代表什么？
y+=y+y;等价于y=y+y+y;
再如：y+=x;等价于y=y+x;
y*=x;等价于y=y*x;
x-=y;等价于x=x-y;
a%=b;等价于a=a%b;
2010-06-06 09:13
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2010-06-06 16:32
2010-06-06 20:10
2010-06-30 17:44
