To use Click and type feature can be used to format and enter text graphic and other items

NoSQL is a programming language used to create mobile apps.<br> a) True<br> b) False

finlep [7]

Answer:

False

Explanation:

7 0

3 years ago

Read 2 more answers

How would you write this using Java: Use a TextField's setText method to set value 0 or 1 as a string?

katrin [286]

Answer:

Explanation:

The following Java code uses JavaFX to create a canvas in order to fit the 10x10 matrix and then automatically and randomly populates it with 0's and 1's using the setText method to set the values as a String

import javafx.application.Application;

import javafx.scene.Scene;

import javafx.scene.control.TextField;

import javafx.scene.layout.GridPane;

import javafx.stage.Stage;

public class Main extends Application {

private static final int canvasHEIGHT = 300;

private static final int canvasWIDTH = 300;

public void start(Stage primaryStage) {

GridPane pane = new GridPane();

for (int i = 0; i < 10; i++) {

for (int j = 0; j < 10; j++) {

TextField text = new TextField();

text.setText(Integer.toString((int)(Math.random() * 2)));

text.setMinWidth(canvasWIDTH / 10.0);

text.setMaxWidth(canvasWIDTH / 10.0);

text.setMinHeight(canvasHEIGHT / 10.0);

text.setMaxHeight(canvasHEIGHT / 10.0);

pane.add(text, j, i);

}

Scene scene = new Scene(pane, canvasWIDTH, canvasHEIGHT);

primaryStage.setScene(scene);

primaryStage.setMinWidth(canvasWIDTH);

primaryStage.setMinHeight(canvasHEIGHT);

primaryStage.setTitle("10 by 10 matrix");

primaryStage.show();

}

public static void main(String[] args) {

Application.launch(args);

}

3 0

2 years ago

Make sure to read all of these specifications carefully. Write a function, named array_shifter, that accepts an array of doubles

rosijanka [135]

Answer:

import java.util.Arrays;

public class num2 {

public static void main(String[] args) {

//Create and initialize the first array

double [ ]arr = {3.5, 5.6, 4.5, 6.7};

// Get the length of the array

int n = arr.length;

//Call the method Array Shifter inside the output statement

System.out.println(Arrays.toString(array_shifter(arr,n)));

}

static double [] array_shifter(double [ ] doubleArray, int n){

double [] narr = new double[n+1];

//Loop through from index 1

for(int i =0; i<narr.length-1; i++){

narr[i] = doubleArray[i];

}

//Put a new element at the last index

narr[narr.length-1] = 1.1;

return narr;

}

Explanation:

This is implemented in Java

Read detailed comments in the solution

The method array_shifter creates a new array that is one element larger than the array it received as argument and returns it

6 0

3 years ago

Write down a program in SNOBOL thatcalculates the factorial of 7.

Sati [7]

Answer:

n = f = 7

loop f = gt(n,1) f * (n = n - 1) :s(loop)

output = f

end

Explanation:

3 0

3 years ago

Determine whether or not the following pairs of predicates are unifiable. If they are, give the most-general unifier and show th

Evgen [1.6K]

Answer:

a) P(B,A,B), P(x,y,z)

=> P(B,A,B) , P(B,A,B}

Hence, most general unifier = {x/B , y/A , z/B }.

b. P(x,x), Q(A,A)

No mgu exists for this expression as any substitution will not make P(x,x), Q(A, A) equal as one function is of P and the other is of Q.

c. Older(Father(y),y), Older(Father(x),John)

Thus , mgu ={ y/x , x/John }.

d) Q(G(y,z),G(z,y)), Q(G(x,x),G(A,B))

=> Q(G(x,x),G(x,x)), Q(G(x,x),G(A,B))

This is not unifiable as x cannot be bound for both A and B.

e) P(f(x), x, g(x)), P(f(y), A, z)

=> P(f(A), A, g(A)), P(f(A), A, g(A))

Thus , mgu = {x/y, z/y , y/A }.

Explanation:

Unification: Any substitution that makes two expressions equal is called a unifier.

a) P(B,A,B), P(x,y,z)

Use { x/B}

=> P(B,A,B) , P(B,y,z)

Now use {y/A}

=> P(B,A,B) , P(B,A,z)

Now, use {z/B}

=> P(B,A,B) , P(B,A,B}

Hence, most general unifier = {x/B , y/A , z/B }

b. P(x,x), Q(A,A)

No mgu exists for this expression as any substitution will not make P(x,x), Q(A, A) equal as one function is of P and the other is of Q

c. Older(Father(y),y), Older(Father(x),John)

Use {y/x}

=> Older(Father(x),x), Older(Father(x),John)

Now use { x/John }

=> Older(Father(John), John), Older(Father(John), John)

Thus , mgu ={ y/x , x/John }

d) Q(G(y,z),G(z,y)), Q(G(x,x),G(A,B))

Use { y/x }

=> Q(G(x,z),G(z,x)), Q(G(x,x),G(A,B))

Use {z/x}

=> Q(G(x,x),G(x,x)), Q(G(x,x),G(A,B))

This is not unifiable as x cannot be bound for both A and B

e) P(f(x), x, g(x)), P(f(y), A, z)

Use {x/y}

=> P(f(y), y, g(y)), P(f(y), A, z)

Now use {z/g(y)}

P(f(y), y, g(y)), P(f(y), A, g(y))

Now use {y/A}

=> P(f(A), A, g(A)), P(f(A), A, g(A))

Thus , mgu = {x/y, z/y , y/A }.

7 0

3 years ago