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683:ƒfƒtƒHƒ‹ƒg‚Ì–¼–³‚µ‚³‚ñ
07/05/19 19:24:25
ha= buf.readLine();

switch (ha.charAt(0)){
case'+':
kg=1;
case'-':
kg=2;
case'*':
kg=3;
case'/':
kg=4;
}

‚Ì•”•ª‚É

Exception in thread "main" java.lang.NumberFormatException: For input string: "+"
at java.lang.NumberFormatException.forInputString(Unknown Source)
at java.lang.Integer.parseInt(Unknown Source)
at java.lang.Integer.parseInt(Unknown Source)
at RinkouPractice4.main(RinkouPractice4.java:22)

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