---String---
equals in Stringpublic?boolean?equals(Object?anObject)?{
????if?(this?==?anObject)?{
????????return?true;
????}
????if?(anObject?instanceof?String)?{
????????String?anotherString?=?(String)anObject;
????????int?n?=?count;
????????if?(n?==?anotherString.count)?{
????????char?v1[]?=?value;
????????char?v2[]?=?anotherString.value;
????????int?i?=?offset;
????????int?j?=?anotherString.offset;
????????while?(n--?!=?0)?{
????????????if?(v1[i++]?!=?v2[j++])
????????????return?false;
????????}
????????return?true;
????????}
????}
????return?false;
????}
equals in Object???public?boolean?equals(Object?obj)?{
????return?(this?==?obj);
????}
????System.out.println(new?String("aa").equals(new?String("aa")));?//true
????System.out.println(new?String("aa")?==?new?String("aa"));??????//false
????System.out.println("aa".equals("aa"));?????????????????????????//true
????System.out.println("aa"?==?"aa");??????????????????????????????//true
posted on 2007-05-23 22:35
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