Assignment Statements and Input Practice Test

What is the result of the following method call given the input deposit 50.0?

public class BankAccount {

private double balance;

public BankAccount(double startBalance) {

    balance = startBalance;

}

public void deposit(double amount) {

    balance = balance + amount;

}

public double getBalance() {

    return balance;

}

}
BankAccount account = new BankAccount(100.0);
account.deposit(50.0);
double newBalance = account.getBalance();
System.out.println(newBalance);

Identify the error in the following assignment statement and suggest a correction in this student record program.

Scanner input = new Scanner(System.in);

Student student = new Student("Ava");

System.out.print("Quiz score: ");

double quizScore;

quizScore == input.nextDouble();

student.addScore(quizScore);