System.out.println("-----计算器程序-----");
System.out.println("输入第一个操作数");
Scanner scan = new Scanner(System.in);
String strNum1 = scan.nextLine();
System.out.println("输入运算符");
String operation = scan.nextLine();
System.out.println("输入第二个操作数");
String strNum2 = scan.nextLine();
double num1 = Double.parseDouble(strNum1);
double num2 = Double.parseDouble(strNum2);
Operation oper=OperationFactory.getResult(operation);
oper.setNum1(num1);
oper.setNum2(num2);
result=oper.getResult();
System.out.println(num1 + operation + num2 + "=" + result);
}
}
1.3 抽象运算类 zc32Operation
package jisuanqi;
public class Operation {
public double num1;
public double num2;
public double getNum1() {
return num1;
}
public void setNum1(double num1) {
this.num1 = num1;
}
public double getNum2() {
return num2;
}
public void setNum2(double num2) {
this.num2 = num2;
}
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