public class Calculator { ? public int evaluate(String expression) { //填寫的代碼 }}
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qq_瞳昕_0
TA貢獻(xiàn)10條經(jīng)驗(yàn) 獲得超0個(gè)贊
//一些基礎(chǔ)的語(yǔ)法，沒(méi)那么樓上那么驚艷
public?static?void?main(String[]?args)?{
????System.out.println(add(1,?3));
????System.out.println(del(1,3));
????System.out.println(chengyi(1,?3));
????System.out.println(chuyi(36,?3));
}
public?static?int?add(int?a,int?b)?{
????int?c;
????c?=?a?+?b;
????return?c;
}
public?static?int?del(int?a,int?b)?{
????int?c;
????c?=?a?-?b;
????return?c;
}
public?static?int?chengyi(int?a,int?b)?{
????int?c;
????c?=?a?*?b;
????return?c;
}
public?static?int?chuyi(int?a,int?b)?{
????int?c;
????c?=?a?/?b;
????return?c;
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