在行:
System.out.println("Welcome to John Doe's shipping calculator!");
我知道
“语法错误,在日食中插入“ AssignmentOperator表达式”以完成表达式”
class calc {
Shipment s = new Shipment();
Scanner input = new Scanner(System.in);
System.out.println("Welcome to John Doe's shipping calculator!");
System.out.println("Enter first package dimensions" );
Package package1 = new Package();
System.out.println("Enter length");package1.inputLength(input.nextDouble());
System.out.println("Enter width");package1.inputWidth(input.nextDouble());
System.out.println("Enter height");package1.inputHeight(input.nextDouble());
Package package2 = new Package();
System.out.println("Enter second package dimensions" );
System.out.println("Enter length");package2.inputLength(input.nextDouble());
System.out.println("Enter width");package2.inputWidth(input.nextDouble());
System.out.println("Enter height");package2.inputHeight(input.nextDouble());
System.out.print("First package dimensions:" ); package1.displayDimensions();
System.out.print("Second package dimensions:"); package2.displayDimensions();
s.cost1 = s.calculateCost(package1);
s.cost2 = s.calculateCost(package2);
System.out.println("Package 1 will cost "+ Math.round(s.cost1 * 100.0) /100.0 + " to ship");
System.out.println("Package 2 will cost "+ Math.round(s.cost2 * 100.0) /100.0 + " to ship");
s.display();
}
为什么?
class Calc {
public static void main(String[] args) {
Shipment s = new Shipment();
Scanner input = new Scanner(System.in);
System.out.println("Welcome to John Doe's shipping calculator!");
System.out.println("Enter first package dimensions" );
Package package1 = new Package();
System.out.println("Enter length");package1.inputLength(input.nextDouble());
System.out.println("Enter width");package1.inputWidth(input.nextDouble());
System.out.println("Enter height");package1.inputHeight(input.nextDouble());
Package package2 = new Package();
System.out.println("Enter second package dimensions" );
System.out.println("Enter length");package2.inputLength(input.nextDouble());
System.out.println("Enter width");package2.inputWidth(input.nextDouble());
System.out.println("Enter height");package2.inputHeight(input.nextDouble());
System.out.print("First package dimensions:" ); package1.displayDimensions();
System.out.print("Second package dimensions:"); package2.displayDimensions();
s.cost1 = s.calculateCost(package1);
s.cost2 = s.calculateCost(package2);
System.out.println("Package 1 will cost "+ Math.round(s.cost1 * 100.0) /100.0 + " to ship");
System.out.println("Package 2 will cost "+ Math.round(s.cost2 * 100.0) /100.0 + " to ship");
s.display();
}
}