private int number 1;
私有int number2
公共計算器(int number1,int number2) {
this . number 1 = number 1;
this . number 2 = number 2;
}
public double add() {
返回數字1 +數字2;
}
公共雙減法(){
返回數字1 -數字2;
}
public double multiple() {
返回數字1 *數字2;
}
公共雙除(){
if(number2 == 0) {
返回0;
}
返回數字1 /數字2;
}
}
公共類TestCalculator {
公共靜態void main(String[] args) {
計算器calculator =新計算器(5,2);
system . out . println(calculator . add());
system . out . println(calculator . subtract());
system . out . println(calculator . multiple());
system . out . println(calculator . divide());
}
}