what is the output of the following code ( a line by line trace and explanation of methods is required) class Car{ public double speed; public String model; public double price=1000; public static double sales; public Car(String model,int speed){ this.speed=speed; this.model=model; sales=sales+price;} public void increaseSpeed1(double speed){ speed=speed+20; } public static void increaseSpeed2(Car myCar){ myCar.speed=myCar.speed+20; } } class Test{ public static void main(String [] arg){ Car car1=new Car("Opel Corsa",130); Car car2=new Car("Matrix",130); car1.increaseSpeed1(car1.speed); Car.increaseSpeed2(car2); System.out.println(car1.speed); System.out.println(car2.speed); System.out.println(car1.sales); System.out.println(car2.sales); }}
what is the output of the following code ( a line by line trace and explanation of methods is required) class Car{ public double speed; public String model; public double price=1000; public static double sales; public Car(String model,int speed){ this.speed=speed; this.model=model; sales=sales+price;} public void increaseSpeed1(double speed){ speed=speed+20; } public static void increaseSpeed2(Car myCar){ myCar.speed=myCar.speed+20; } } class Test{ public static void main(String [] arg){ Car car1=new Car("Opel Corsa",130); Car car2=new Car("Matrix",130); car1.increaseSpeed1(car1.speed); Car.increaseSpeed2(car2); System.out.println(car1.speed); System.out.println(car2.speed); System.out.println(car1.sales); System.out.println(car2.sales); }}
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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4-what is the output of the following code ( a line by line trace and explanation of methods is required)
class Car{
public double speed;
public String model;
public double price=1000;
public static double sales;
public Car(String model,int speed){
this.speed=speed; this.model=model; sales=sales+price;}
public void increaseSpeed1(double speed){ speed=speed+20;
}
public static void increaseSpeed2(Car myCar){ myCar.speed=myCar.speed+20;
}
}
class Test{
public static void main(String [] arg){ Car car1=new Car("Opel Corsa",130); Car car2=new Car("Matrix",130); car1.increaseSpeed1(car1.speed); Car.increaseSpeed2(car2); System.out.println(car1.speed); System.out.println(car2.speed); System.out.println(car1.sales); System.out.println(car2.sales);
}}
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