int i;
int i,j;
int i = 10,j;
int i,j = 10;
int i = 10,j = 20;
int i = 10;
int j = i ++; //ÏȽøÐи³ÖµÔËËãÈ»ºóÔÙ½øÐÐ×ÔÔöÔËËã
jµÄ½á¹ûÊÇ10
int i = 10;
int j = ++ i ; //ÏȽøÐÐ×ÔÔöÔËËãÈ»ºóÔÙ½øÐи³ÖµÔËËã
jµÄ½á¹ûÊÇ11
ÀýÈça > b & x < y£¬¼´Ê¹a > bΪfalse£¬Ò²»áÖ´ÐÐx > y
ÀýÈça > b && x < y£¬Èç¹ûa > bΪfalse£¬¾Í²»»áÖ´ÐÐx > y
ÒÔ´ËÀàÍÆ£¬Âß¼»òºÍ¶Ì·»òµÄÇø±ðÊÇ£º
ÀýÈ磺12µÄÔÂëÊÇ00001100 -12µÄÔÂëÊÇ10001100
ÀýÈ磺12µÄ·´ÂëÊÇ00001100 -12µÄ·´ÂëÊÇ11110011
ÀýÈ磺12µÄ²¹ÂëÊÇ00001100 -12µÄ²¹ÂëÊÇ11110100
×îºóÇ¿µ÷Ò»µã£¬¼ÆËã»ú´æ´¢Êý¾ÝÓò¹ÂëÐÎʽÀ´´æ´¢¡£
300µÄ²¹ÂëÊÇ00000000 00000000 00000001 00101100
bµÄ½á¹ûÊÇ£º00000000 00000000 00000001 00101100 ½á¹ûΪ44
class A {
class B {
}
}
Èç¹ûÏñ´´½¨BÀàµÄʵÀý£¬Ôò±ØÐëÓÃÒÔÏÂÓï¾ä£º
A a = new A();
A.B b = a.new B();