PԇJavaPԇ}Ŀ
JavaPԇ}Ŀһ:Մ?w)final, finally, finalizeą^e
(wn)
JavaPԇ}Ŀ:Anonymous Inner Class (Ȳ(li))Ƿextends(^)(li)Ƿimplements((sh)F)interface(ӿ)?
JavaPԇ}Ŀ:Static Nested Class Inner ClassIJͬf(shu)ԽԽ(Pԇ}Ŀеĺܻ\y)
JavaPԇ}Ŀ:&&&ą^e
@(g)(wn)ú
JavaPԇ}Ŀ:HashMapHashtable`^e
(wn)
JavaPԇ}Ŀ:Collection Collectionsą^e
JavaPԇ}Ŀ:ʲôr(sh)assert
APIļg(sh)ˆTпܕ(hu )(wn)@(g)
JavaPԇ}Ŀ:GCʲô? ʲôҪGC?
A
JavaPԇ}Ŀ:String s = new String(“xyz”);(chung )ˎׂ(g)String Object?
JavaPԇ}Ŀʮһ:Math.round(11.5)춶? Math.round(-11.5)춶?
JavaPԇ}Ŀʮ:short s1 = 1; s1 = s1 + 1;ʲôe? short s1 = 1; s1 += 1;ʲôe?
Pԇ}ĿǺ׃B(ti)ҪŰĜʂ
JavaPԇ}Ŀʮ:sleep() wait() ʲô^e?
㾀(xin)̵?li)?i)
JavaPԇ}Ŀʮ:JavaЛ](mi)g(sh)oto?
PԇJavaPԇ}ĿP(gun)£
LGPԇĹPԇ}Ŀ07-09
Ό(sh)ĹPԇ}Ŀ07-03
JavaƸPԇ}Ŀ12-07
AJavaPԇ}Ŀ11-18
ӍJavaPԇ}Ŀ11-18
JAVAPԇ}Ŀ֮߉}12-08
JAVA(jng)Pԇ}Ŀ11-06
Java_(ki)l(f)Pԇ}Ŀ11-15
FJava_(ki)l(f)Pԇ}Ŀ11-15