? public static void main(String[] args) {??????? Scanner sc = new Scanner(System.in);??????? //接收成績(jī)??????? System.out.println("請(qǐng)輸入成績(jī)");??????? int t = sc.nextInt();??????? if (t >= 90 && (t <= 100)) {??????????? System.out.println("A");??????? } else if (t >= 80 && (t < 90)) {??????????? System.out.println("B");??????? } else if (t >= 70 && (t < 80)) {??????????? System.out.println("C");??????? } else if (t >= 60 && (t < 70)) {??????????? System.out.println("D");??????? } else if (t >= 0 && (t < 60)) {??????????? System.out.println("E");??????? }??? }}
怎么測(cè)試接收的數(shù)字不是數(shù)字然后輸出一句話
995_LEI3195255
2016-12-29 22:23:14