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kipiarov [429]
3 years ago
11

What is the best way to study for an exam?

Computers and Technology
1 answer:
cupoosta [38]3 years ago
8 0

AnswerB

Explanation:Makes since to look over the notes each night before the exam

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Consider the classes below, declared in the same file: class A { int a; public A() { ​ a = 7; } } class B extends A { int b; pub
DiKsa [7]

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.

4 0
3 years ago
For this exercise, you are going to create a part of an Animal hierarchy. Unlike some of our examples and the previous exercises
kati45 [8]

Answer:

vehicle super class 9.1.4

Explanation:

So you need to create a super class containig all the animals use the class above for referance

5 0
3 years ago
Call 334-399-4201 to annoyed my mom
yaroslaw [1]

Answer: why...

Explanation:

3 0
3 years ago
Roses are red, violets are blue, I'm going to ki.ll myself, to make life better for you.
Shtirlitz [24]

Answer:

i like this poem helps out the world

Explanation:

p,s. deserves brainiest

6 0
3 years ago
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Pick the correct statements regarding cell references.
shusha [124]

Statement two and three is correct.

Statement 1 is incorrect. A relative reference changes when a formula is copied to another cell while Absolute references remain constant. However, it is safe to say that an absolute address can be preceded by a $ sign before both the row and the column values. It is designated by the addition of a dollar sign either before the column reference, the row reference, or both. Statement C is also correct. A mixed reference is a combination of relative and absolute reference and the formula (= A1 + $B$2) is an example of a mixed cell reference.

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3 years ago
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