編程是<=60,輸出結(jié)果確是到61.?
public?class?HelloWorld?{?? ??public?static?void?main(String[]?args)?{??? ???????int?score?=?53;??????? ???????int?count?=?0;???? ???????System.out.println("加分前成績:"+score);?????????? ???????for(;score<=60;){????????? ??????????score++;??????? ????????????count++;??????????????? ???????}???System.out.println("加分后成績:"+score);??? ???????????System.out.println("共加了"+count+"次!");?? ????????}}
2018-06-22
循環(huán)是先判斷后進行,在你等于60的情況下, 為true;? 那為循環(huán)還得運行一次,那是結(jié)果為61了,不滿足條件結(jié)束。? 這樣說你應(yīng)該能理解吧
2018-06-20
score=60時,循環(huán)會繼續(xù)進行; 到第7行會+1, 此時的score即為61;