Why we use StringBuffer when concatenating strings?

Why we use StringBuffer when concatenating strings?


相关考题:

计划的主要内容包括(),计划必须清楚地确定和描述这些内容。A.What,Why,Who,Where,When,Howmany,HowmuchB.What,Why,We,Where,When,Howto,HowmuchC.What,Why,We,Where,When,How,HowmuchD.What,Why,Who,Where,When,How,Howmuch

计划工作就是() A、做什么(What)B、为什么要做(Why)C、何时做(When)D、何地做(Where)

健康教育计划总体目标的三个"W"是指A、when,why,whichB、who,what,whenC、when,why,whatD、when,where,whatE、who,what,why

—_______ are you going on a visit to Beijing? 学科网 —We’ll drive there.学科网A. Whe —_______ are you going on a visit to Beijing?—We’ll drive there.A. When B.How C.Why

健康计划的总体目标中的三个“W”指A:what,when,whereB:who,what,whenC:when,where,whichD:who,what,whichE:what,when,why

[A] why[B] when[C] while[D] where

计划的主要内容包括______计划必须清楚的确定和描述这些内容。A.What,Why,Who,Where,When,How many,How muchB.What,Why,We,Where,When,How to,How muchC.What,Why,We,Where,When,How,How muchD.What,Why,Who,Where,When,How,How much

计划的主要内容包括______,计划必须清楚地确定和描述这些内容。A.What, Why, Who, Where, When, How many, How muchB.What, Why, We, Where, When, How to, How muchC.What, Why, We, Where, When, How, How muchD.What, Why, Who, Where, When, How, How much

5W2H分析法,包括7个要素:why, what, who, when, where, how, how much.

3、5W2H分析法,包括7个要素:why, what, who, when, where, how, how much.