Can u help ? | Computer Science homework help

The computer keeps data and programs in storage. There are two kinds of storage. What is the main difference between them?

Learning Outcome(s):

Ch. (1)

Lean about the structure of a simple program

Question Two

When you call a method you need to specify three items. Mention them with an example.

Learning Outcome(s):

Ch. (2)

Learn about variables

Question Three

What is wrong with the following variable declarations? If wrong, explain. If correct (nothing wrong), write “correct”.

double 1st_var = 10;

int var2;

int var3 = var2;

string name = ”var3”;

double out-put = 5

double x, y;

int import= 100;

Learning Outcome(s):

Ch. (2)

Learn about parameters and return values

Question Four

Find/Fix errors in the following code:

public new MoveTester

{

public static main(String[ ] args);

{

rectangle box = new rectangle(5, 10, 20, 30);

box1.translate(15, 25);

System.out.print(“x: “)

System.out.println(box.getx());

System.out.println(“Expected: 20”);

System.out.print(“y: “);

System.out.println(box.getY();

System.ou.println(“Expected: 35”);

}

Learning Outcome(s):

Ch. (3).

Understand classes and objects

Question Five

Consider class AB:

What is the output of each of the following cases:

a- BA ba1 = new BA();

System.out.println( ba1.getN());

b – BA ba1 = new BA(2,20,”ABC”);

System.out.println( ba1.getN());

c- BA ba1 = new BA(2,20,”ABC”);

System.out.println(ba1.getN().toLowerCase());

System.out.println(“———“);

System.out.println(“Name: ” + ba1.getN());

System.out.println(“Amount: ” + ba1.getA());

//System.out.println(“Name: ” + ba1.getN());

System.out.println(“———“);

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