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WhatistheappropriatedefinitionofthehashCodemethodinclassPerson?()
A.returnsuper.hashCode();
B.returnname.hashCode()+age*7;
C.returnname.hashCode()+comment.hashCode()/2;
D.returnname.hashCode()+comment.hashCode()/2-age*3;
参考答案
更多 “ WhatistheappropriatedefinitionofthehashCodemethodinclassPerson?() A.returnsuper.hashCode();B.returnname.hashCode()+age*7;C.returnname.hashCode()+comment.hashCode()/2;D.returnname.hashCode()+comment.hashCode()/2-age*3; ” 相关考题
考题
publicclassPerson{privateStringname,comment;privateintage;publicPerson(Stringn,inta,Stringc){name=n;age=a;comment=c;}publicbooleanequals(Objecto){if(!(oinstanceofPerson))returnfalse;Personp=(Person)o;returnage==p.agename.equals(p.name);}}WhatistheappropriatedefinitionofthehashCodemethodinclassPerson?()A.returnsuper.hashCode();B.returnname.hashCode()+age*7;C.returnname.hashCode()+comment.hashCode()/2;D.returnname.hashCode()+comment.hashCode()/2-age*3;
考题
Given:WhatistheappropriatedefinitionofthehashCodemethodinclassPerson?()
A.returnsuper.hashCode();B.returnname.hashCode()+age*7;C.returnname.hashCode()+comment.hashCode()/2;D.returnname.hashCode()+comment.hashCode()/2-age*3;
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