You can use a(n) <u>database server; Databases, like MySQL</u><u> and PostgresSQL, are widely used to store data.</u>to store large amounts of customer data for a website.
<h3>What is the difference between POP3 and IMAP coursera?</h3>
POP3 can only download email to one local device. IMAP can only download email to one local device. POP3 is used for sending emails. IMAP can download emails onto multiple devices.
<h3>When would you use IMAP?</h3>
IMAP and POP are two methods to access email. IMAP is the recommended method when you need to check your emails from several different devices, such as a phone, laptop, and tablet.
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Answer:
2. <em>A reference of type A can be treated as a reference of type B</em> - False
Base class or its objects are not related to their derived class (or its objects).
Explanation:
class A {
int a;
public A() {
a = 7;
}
}
class B extends A {
int b;
public B() {
b = 8;
}
}
///////////////////////////////////////////////////////////////////////////////////////////////////////
1. <em>After the constructor for class B executes, the variable a will have the value 7 </em>- True.
When an object of a derived class is declared, the constructor of base class is called before the constructor of derived class (is called).
3. <em>Both variables a and b are instance variables </em>- True.
Classes can have instance, or member, variables and methods.
4.<em> After the constructor for class B executes, the variable b will have the value 8</em> - True.
When object of class B is declared, its constructor was called, which initialized variable b to 8.
Android, many phone brands use the Android OS. Unlike Apple, which is the only technology company with IOS.
