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//Override the equals method in the Object class       public   equals() {       //Downcast Object o to Account acc        acc = o;        if(this.accountNumber==acc.accountNumber &&                                                                                       this.holderName.equals(acc.holderName) && this.balance==acc.balance)                                 ;         else                                 ;       }}

Question

//Override the equals method in the Object class       public   equals() {       //Downcast Object o to Account acc        acc = o;        if(this.accountNumber==acc.accountNumber &&                                                                                       this.holderName.equals(acc.holderName) && this.balance==acc.balance)                                 ;         else                                 ;       }}

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Solution

It seems like you're trying to override the equals method in Java for an Account class. Here's how you can do it:

@Override
public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;
    Account acc = (Account) o;
    return accountNumber == acc.accountNumber &&
           balance == acc.balance &&
           holderName.equals(acc.holderName);
}

Here's a step-by-step explanation:

  1. @Override annotation is used to make sure you are actually overriding a method from the superclass, in this case, the equals method from Object class.

  2. The equals method takes an Object as a parameter because when it's overridden, it needs to be able to accept any object.

  3. The first if statement checks if the object passed as a parameter (o) is the same as the current object (this). If they are the same, it returns true.

  4. The second if statement checks if the object passed as a parameter is null or if it's not an instance of the Account class. If either condition is true, it returns false.

  5. If the object passes the above checks, it's downcasted to an Account object.

  6. Finally, it checks if the accountNumber, balance, and holderName of the current object (this) are equal to those of the object passed as a parameter (acc). If they are, it returns true; otherwise, it returns false.

This problem has been solved

Similar Questions

Fill the code to override the equals method in Object class and invoke that method for 2 account objects and compare the objects. Code : public class Account{       private int accountNumber;       private String holderName;       private double balance;                    public Account(int accountNumber, String holderName, double balance) {              this.accountNumber = accountNumber;              this.holderName = holderName;              this.balance = balance;       }       //Override the equals method in the Object class       public   equals() {       //Downcast Object o to Account acc        acc = o;        if(this.accountNumber==acc.accountNumber &&                                                                                       this.holderName.equals(acc.holderName) && this.balance==acc.balance)                                 ;         else                                 ;       }}public class Main{       public static void main(String args[]) {              Account accObj1=new Account(1001,"Chandru",50000);              Account accObj2=new Account(1001,"Chandru",50000);                          //Invoke the equals method for the above two objects.              System.out.println(.());                   }}

return false accObj1 Object o (Account) accObj2 accObj1 boolean return 1 accObj2 return 0 Object equals (Object) return true Account Fill the code to override the equals method in Object class and invoke that method for 2 account objects and compare the objects. Code : public class Account{       private int accountNumber;       private String holderName;       private double balance;                    public Account(int accountNumber, String holderName, double balance) {              this.accountNumber = accountNumber;              this.holderName = holderName;              this.balance = balance;       }       //Override the equals method in the Object class       public   equals() {       //Downcast Object o to Account acc        acc = o;        if(this.accountNumber==acc.accountNumber &&                                                                                       this.holderName.equals(acc.holderName) && this.balance==acc.balance)                                 ;         else                                 ;       }}public class Main{       public static void main(String args[]) {              Account accObj1=new Account(1001,"Chandru",50000);              Account accObj2=new Account(1001,"Chandru",50000);                          //Invoke the equals method for the above two objects.              System.out.println(.());                   }}

public class Main{       public static void main(String args[]) {              Account accObj1=new Account(1001,"Chandru",50000);              Account accObj2=new Account(1001,"Chandru",50000);                          //Invoke the equals method for the above two objects.              System.out.println(.());                   }}

Select the correct answerIn Java, the equals() method is used for:A. Comparing the memory addresses of two objects.B. Checking if two objects have the same content or state.C. Determining if two objects are of the same class.D. Overriding the default behavior of object comparison.OptionsC and DB and DOnly AOnly D

public class Account{       private int accountNumber;       private String holderName;       private double balance;                    public Account(int accountNumber, String holderName, double balance) {              this.accountNumber = accountNumber;              this.holderName = holderName;              this.balance = balance;       } } public class Main{       public static void main(String args[]) {              Account accObj1=new Account(1001,"Chandru",50000);                           System.out.println(accObj1);                    }}If the above code should give the output as “Account Number : 1001, Holder : Chandru, Balance : 50000”, which method should be overridden and that method should be written in which class.Select one:a.Override toString() method in Account classb.Override tostring() method in Account classc.Override tostring() method in Main classd.Override toString() method in Main class

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