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3 years ago

You have no control over who views your social network information

Computers and Technology

2 answers:

SIZIF [17.4K]3 years ago

5 0

Yes we do mabey if you are a hacker nice trolling

AleksAgata [21]3 years ago

3 0

Of course you have control, it's private and not access able to anyone else. But Social Network itself can control your info.

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Write a method named removeDuplicates that accepts a string parameter and returns a new string with all consecutive occurrences

Nitella [24]

Answer:

//Method definition

//Method receives a String argument and returns a String value

public static String removeDuplicates(String str){

//Create a new string to hold the unique characters

String newString = "";

//Create a loop to cycle through each of the characters in the

//original string.

for(int i=0; i<str.length(); i++){

// For each of the cycles, using the indexOf() method,

// check if the character at that position

// already exists in the new string.

if(newString.indexOf(str.charAt(i)) == -1){

//if it does not exist, add it to the new string

newString += str.charAt(i);

} //End of if statement

} //End of for statement

return newString; // return the new string

} //End of method definition

Sample Output:

removeDuplicates("bookkeeeeeper") => "bokeper"

Explanation:

The above code has been written in Java. It contains comments explaining every line of the code. Please go through the comments.

The actual lines of codes are written in bold-face to distinguish them from comments. The program has been re-written without comments as follows:

public static String removeDuplicates(String str){

String newString = "";

for(int i=0; i<str.length(); i++){

if(newString.indexOf(str.charAt(i)) == -1){

newString += str.charAt(i);

}

return newString;

}

From the sample output, when tested in a main application, a call to removeDuplicates("bookkeeeeeper") would return "bokeper"

7 0

2 years ago

What should you do first when designing a program?

Nady [450]

Answer: talk about da progrm

Explanation:

6 0

3 years ago

Read 2 more answers

Which amendment applies to the following scenario? “Brian attended church with his two daughters and wife on Sunday." A First B

iragen [17]

Answer: First Amendment

Explanation:

The First Amendment gives individuals the freedom of speech and the right to proactive any religion that they want. It also allows the people have a peaceful protest.

The swcud amendment gives people the right to keep arms. The Fourth hinders individuals from being searched without a warrant.

Therefore, the answer is First Amendment.

4 0

3 years ago

Write a program that converts a number entered in Roman numerals to decimal. your program should consist of a class, say, Roman.

arlik [135]

Answer:

The code is given below in Java with appropriate comments

Explanation:

import java.util.*;

public class RomantoDecimal {

public static void main(String[] args)

{

Scanner SC = new Scanner(System.in);

RomantoDecimal r = new RomantoDecimal();

System.out.println("Enter a Roman number :");

// INPUT A ROMAN NUMBER

String rNum = SC.next();

// CALL convertToDecimal FOR CONVERSION OF ROMAN TO DECIMAL

r.convertToDecimal(rNum);

}

// M=1000, D=500, C=100, L=50, X=10, V=5, I=1

public void convertToDecimal(String roamNo)

{

int number = 0;

// TEACK EACH DIGIT IN THE GIVEN NUMBER IN REVERSE ORDER

for (int i = roamNo.length() - 1; i >= 0; i--)

{

// FIND OUT WHETHER IT IS 'M' OR NOT

if (roamNo.charAt(i) == 'M')

{

if (i != 0)

{ // CHECK WHETHER THERE IS C BEFORE M

if (roamNo.charAt(i - 1) == 'C')

{

number = number + 900;

i--;

continue;

}

number = number + 1000;

}

// FIND OUT WHETHER IT IS 'D' OR NOT

else if (roamNo.charAt(i) == 'D')

{

if (i != 0)

{

// CHECK WHETHER THERE IS C BEFORE D

if (roamNo.charAt(i - 1) == 'C')

{

number = number + 400;

i--;

continue;

}

number = number + 500;

}

// FIND OUT WHETHER IT IS 'C' OR NOT

else if (roamNo.charAt(i) == 'C')

{

if (i != 0)

{

if (roamNo.charAt(i - 1) == 'X')

{

number = number + 90;

i--;

continue;

}

number = number + 100;

}

else if (roamNo.charAt(i) == 'L')

{

if (i != 0)

{

if (roamNo.charAt(i) == 'X')

{

number = number + 40;

i--;

continue;

}

number = number + 50;

}

// FIND OUT WHETHER IT IS 'X' OR NOT

else if (roamNo.charAt(i) == 'X')

{

if (i != 0)

{

if (roamNo.charAt(i - 1) == 'I')

{

number = number + 9;

i--;

continue;

}

number = number + 10;

}

// FIND OUT WHETHER IT IS 'V' OR NOT

else if (roamNo.charAt(i) == 'V')

{

if (i != 0)

{

if (roamNo.charAt(i - 1) == 'I')

{

number = number + 4;

i--;

continue;

}

number = number + 5;

}

else // FIND OUT WHETHER IT IS 'I' OR NOT

{

number = number + 1;

}

}// end for loop

System.out.println("Roman number: " + roamNo + "\nIts Decimal Equivalent: " + number);

}

3 0

3 years ago

For this problem, you will write a function standard_deviation that takes a list whose elements are numbers (they may be floats

Evgesh-ka [11]

Answer:

import math
def standard_deviation(aList):
sum = 0
for x in aList:
sum += x
mean = sum / float(len(aList))
sumDe = 0
for x in aList:
sumDe += (x - mean) * (x - mean)
variance = sumDe / float(len(aList))
SD = math.sqrt(variance)
return SD
print(standard_deviation([3,6, 7, 9, 12, 17]))

Explanation:

The solution code is written in Python 3.

Firstly, we need to import math module (Line 1).

Next, create a function standard_deviation that takes one input parameter, which is a list (Line 3). In the function, calculate the mean for the value in the input list (Line 4-8). Next, use the mean to calculate the variance (Line 10-15). Next, use sqrt method from math module to get the square root of variance and this will result in standard deviation (Line 16). At last, return the standard deviation (Line 18).

We can test the function using a sample list (Line 20) and we shall get 4.509249752822894

If we pass an empty list, a ZeroDivisionError exception will be raised.

3 0

3 years ago