涓庢媶綆變篃灝辨槸鎶婂熀鏈殑鏁版嵁綾誨瀷鑷姩鐨勮漿涓哄皝瑁呯被鍨嬨?br /> 濡傦細(xì)鑷姩瑁呯錛屽畠鍙互鐩存帴鎶婂熀鏈被鍨嬭祴鍊肩粰灝佽綾誨瀷
Integer num = 10 ;
Double d = 2d ;
鑷姩鎷嗙錛屽畠鍙互鎶婂皝瑁呯被鍨嬭祴鍊肩粰鍩烘湰綾誨瀷
int num = new Integer(10);
double d = new Double(2d);
鐭ラ亾浜?jiǎn)鑷姩瑁吔幾兏庢媶绠卞悗鎴戜滑鐜扮湅涓涓嬩笅闈㈣繖涓や釜紼嬪簭浠ｇ爜錛?/p>
AutoBoxDemo1.java-------------------------------------------------------public class AutoBoxDemo1 
{
public static void main(String[] args) 
{ 
Integer d1 = 100 ; Integer d2 = 100 ; if(d1==d2) System.out.println("d1==d2"); else System.out.println("d1!=d2");
}
}AutoBoxDemo2.java--------------------------------------------------------public class AutoBoxDemo2 { public static void main(String[] args) { Integer d1 = 200 ; Integer d2 = 200 ; if(d1==d2) System.out.println("d1==d2"); else System.out.println("d1!=d2"); }}澶у鐪嬬湅榪欎袱涓▼搴忎唬鐮佺殑緇撴灉鏄庝箞鏍風(fēng)殑鍛紵
鍏跺疄鍦ˋutoBoxDemo1.java涓粨鏋滄槸錛歞1==d2
鍦ˋutoBoxDemo2.java涓粨鏋滄槸錛歞1!=d2
涓轟粈涔堢粨鏋滀細(xì)鏄繖鏍風(fēng)殑錛熸垜浠潵鐪嬩簡(jiǎn)瑙ｄ竴涓嬶紒
鍏跺疄鍒氬垰榪欎袱涓▼搴忕粨鏋滅殑涓嶅悓鏄笌==榪愮畻絎︽瘮杈冩湁鍏籌紝==鏄敤鏉ユ瘮杈?br />
涓や釜鍩烘湰鏁版嵁綾誨瀷鐨勫彉閲忔槸鍚︾浉絳夌殑錛岃屼簨瀹炰笂==涔熺敤浜庡垽鏂袱涓璞?br />
鍙橀噺鍚嶆槸鍚﹀弬鑰冨悓涓瀵硅薄銆傚湪鑷姩瑁呯鏃跺浜庡間粠-128鍒?27涔嬮棿鐨勫?br />
瀹冧滑琚綆變負(fù)Integer瀵硅薄鍚庝細(xì)鍦ㄥ唴瀛樹(shù)腑閲嶇敤錛屾墍浠ュ湪AutoBoxDemo1.java
涓槸鐩哥瓑鐨勶紝鑰岃秴榪囦簡(jiǎn)浠?128鍒?27涔嬪墠鐨勫兼椂錛岃瑁呯鍚庣殑Integer瀵硅薄
騫朵笉浼?xì)琚噸鐢ㄣ傛墍浠utoBoxDemo2.java涓槸涓嶇浉絳夌殑銆?/p>