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2024年1月16日发(作者:win32汇编语言程序设计pdf)

三、代码

import imal;public class Calculator { private String firstNum = "0"; private String secondNum = "0"; private char operator = '+'; private String result;

public String getFirstNum() { return firstNum; }

public void setFirstNum(String firstNum) { um = firstNum; }

public String getSecondNum() { return secondNum; }

public void setSecondNum(String secondNum) { Num = secondNum; }

public char getOperator() { return operator; }

public void setOperator(char operator) { or = operator; }

public String getResult() { return result; }

public void setResult(String result) { = result; }

public void calculator() { BigDecimal firstnum = new BigDecimal(um); BigDecimal secondnum = new BigDecimal(Num); switch (or) { case '+': = (secondnum).toString(); break; case '-': = ct(secondnum).toString(); break; case '*': = ly(secondnum).toString(); break; case '/': if(Value()==0) { throw new RuntimeException("除数不能为0"); }else { = (secondnum, 10,_HALF_DOWN).toString(); } default: break; }

}


本文标签: 程序设计 除数 汇编语言 不能 作者