127, Java objects of the comparison object-oriented

01. code is as follows:

Package Penalty for TIANPAN;

class Book {
    private String title;
    private double price;

    public Book(String title, double price) {
        this.title = title;
        this.price = price;
    }

    public String getTitle() {
        return this.title;
    }

    public double getPrice() {
        return this.price;
    }
}

/**
 * Documentation comment here
 *
 * @author 田攀 微信382477247
 */
public class TestDemo {
    public static void main(String args[]) {
        B1 Book = new new Book ( "the Java Development", 79.8);      // instantiate an object class Book 
        Book B2 = new new Book ( "the Java Development", 79.8);      // instantiate class object Book 
        IF (b1.getTitle (). the equals (b2.getTitle ())
                 && b1.getPrice () == b2.getPrice ()) {          // attribute comparison 
            System.out.println ( "same object!" );
        } else {
            System.out.println ( "not the same object!" );
        }
    }
}

 

02. Results are as follows:

 

 

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