public class CharacterCompare { public static void main(String args[]) { Character char1 = new Character('h'); Character char2 = new Character('H'); boolean b = char1.equals(char2); System.out.println(char1+"和"+char2+"是否相等："+b); Character char3 = Character.toLowerCase(char1); Character char4 = Character.toLowerCase(char2); boolean bb = char3.equals(char4); System.out.println(char3+"和"+char4+"是否相等："+bb); }}
3 回答
田心楓
TA貢獻(xiàn)1064條經(jīng)驗(yàn) 獲得超383個(gè)贊
這是eeclipse拋出的錯(cuò)，你在idea里面運(yùn)行就沒(méi)問(wèn)題了。你也可以點(diǎn)左邊那個(gè)X，然后把這張類(lèi)型的錯(cuò)誤改成warning。就會(huì)正常運(yùn)行了
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