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1 year ago

Write code which takes a sentence as an input from the user and then prints the length of the first word in that sentence.

Computers and Technology

1 answer:

Afina-wow [57]1 year ago

7 0

import java.util.Scanner;

public class U2_L3_Activity_Four {

public static void main(String[] args) {

Scanner scan = new Scanner(System.in);

System.out.println("Enter a sentence.");

String sent = scan.nextLine();

int count = 0;

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

char c = sent.charAt(i);

if (c != ' '){

count++;

}

else{

break;

}

System.out.println("The first word is " + count +" letters long");

}

We check to see when the first space occurs in our string and we add one to our count variable for every letter before that. I hope this helps!

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Write multiple if statements: If carYear is before 1968, print "Probably has few safety features." (without quotes). If after 19

jekas [21]

Answer:

Following is the statement in the C language :

if(carYear < 1968)

printf("\nProbably has a few safety features.\n");

if(carYear > 1970 && carYear <=1991 )

printf("\nProbably has head rests.\n");

if(carYear > 1991 && carYear <=2002)

printf("\nProbably has anti-lock brakes\n.");

if(carYear > 2002)

printf("\nProbably has airbags.\n");

Explanation:

Following is the description of the statement:

In the given question we used if block. The if block is only executed when their condition is true.

if(carYear < 1968) In this we check we the value of "carYear" variable is less then 1968 then it prints "Probably has a few safety features." in the console window.

if(carYear > 1970 && carYear <=1991) In this we check we the value of "carYear" variable is greater then 1970 and less then 1992 it prints "Probably has head rests" in the console window.

if(carYear > 1991 && carYear <=2002 ) In this we check we the value of "carYear" variable is greater then 1991 and less then 2003 it prints "Probably has anti-lock brakes" in the console window.

if(carYear > 2002) In this we check we the value of "carYear" variable is greater then 2002 then it prints "Probably has airbags" in the console window.

6 0

2 years ago

Which are technical and visual demands that need to be considered when planning a project? Choose three answers

iren [92.7K]

Answer: Resolution or DPI, deliverables, and file types are important technical and visual demands to consider when planning a project.

Explanation: Keep in mind whether or not the project will be published in print or on the Web.

4 0

2 years ago

Warm colors including red, yellow and orange _____________ be energetic and exciting to the eye, while cool colors in blue, gree

andriy [413]

What’s the question?

6 0

2 years ago

Taylor and Rory are hosting a party. They sent out invitations, and each one collected responses into dictionaries, with names o

disa [49]

Answer:

Following are the code to this question:

def combine_guest(guest1, guest2):#defining a method combine_guest that accepts two dictionary

guest2.update (guest1)#use dictionary guest2 that use update method to update guest2 dictionary

return guest2#return guest2 dictionary values

Rory_guest= { "Ada":2, "Ben":3, "Dav":1, "Jo":3, "Charry":2, "Terry":1, "bob":4}#defining a dictionary and add value

Taylor_guest = { "Dav":4, "Nan":1, "bobert":2, "Ada":1, "Samantha":3, "Chr":5}#defining a dictionary and add value

print(combine_guest(Rory_guest,Taylor_guest))#calling the combine_guest method

Output:

{'Nan': 1, 'Samantha': 3, 'Ada': 2, 'bob': 4, 'Terry': 1, 'Jo': 3, 'Ben': 3, 'Dav': 1, 'Charry': 2, 'bobert': 2, 'Chr': 5}

Explanation:

In the code a method, "combine_guest" is defined, that accepts two dictionaries "guest1, guest2" inside the method, in which the "guest2" dictionary uses the update method to combine the value of the guest1 dictionary and use a return keyword to return guest2 values.

In the next step, two dictionaries are declared, that holds some values and use a print method to call the "combine_guest" method and prints its return values.

7 0

1 year ago

Suppose your company has decided that it needs to make certain busy servers faster. Processes in the workload spend 60% of their

vekshin1

Answer:

CPU need 50% much faster

disk need 100% much faster

Explanation:

given data

workload spend time CPU = 60%

workload spend time I/O = 40%

achieve overall system speedup = 25%

to find out

How much faster does CPU need and How much faster does the disk need

solution

we apply here Amdahl’s law for the overall speed of a computer that is express as

S = $\frac{1}{(1-f)+ \frac{f}{k} }$ .............................1

here f is fraction of work i.e 0.6 and S is overall speed i.e 100% + 25% = 125 % and k is speed up of component

so put all value in equation 1 we get

S = $\frac{1}{(1-f)+ \frac{f}{k} }$

1.25 = $\frac{1}{(1-0.6)+ \frac{0.6}{k} }$

solve we get

k = 1.5

so we can say CPU need 50% much faster

and

when f = 0.4 and S = 125 %

put the value in equation 1

S = $\frac{1}{(1-f)+ \frac{f}{k} }$

1.25 = $\frac{1}{(1-0.4)+ \frac{0.4}{k} }$

solve we get

k = 2

so here disk need 100% much faster

7 0

2 years ago