1. Which statement(s) is/are true? size() returns the number of elements in an array. str.length() returns the number of char in str. str.size() returns the number of char in str. length() is exclusive to strings.
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- Match each data operator with its function: OFFSET Returns the number of the elements in an array. TYPE Returns the size of a variables byte. SIZEOF Returns the memory adress of a variable. LENGTHOF Returns number of bytes used in an array.1) Arrays have a built in toString method that returns all of the elements in the array as one String with “\n” insertedbetween each element.Question Write a statement that declares a string arrays initialized with the following strings: Write a loop that display the content of each element in the array declared in question 1 "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" and "Sunday"
- TRUE or FALSE - A pointer can be used to access elements of an array. Select one: a.TRUE b.FALSEA single statement that declares a variable and specifies array values as its content is called an array Select one: a.literal b.constructor C.element d.index2. Lottery Number Generator Design a program that generates a 7-digit lottery number. The program should have an Integer array with 7 elements. Write a loop that steps through the array, ran- domly generating a number in the range of 0 through 9 for each element. (Use the random function that was discussed in Chapter 6.) Then write another loop that displays the contents of the array.
- Ch7 - Arrays java In a loop, ask the user to enter 10 integer values and store the values in an array. Pass the array to a method. In the method, use a loop to subtract 5 from each element and return the changed array to the main method.In the main method, use a loop to add the array values and display the result.An array definition reserves space for the array. true or falseWrite a function to determine the resultant force vector R of the two forces F and F2 applied to the bracket, where 01 of unit vector along the x and y axis. R must be a vector, for example R = [Rx, R,]. The coordinate system is shown in the figure below: = 30° and 02 = 35°. Write R in terms F1 F2 30% 35°
- c) The following code creates three arrays: t, t2 and t3. Modify the code to: plot t as red squares plot t2 as black triangles plot t3 as green circles add a title "Multiline Plot" multilineplot.py import numpy as np import matplotlib.pyplot as plt t = np.arange (0., 5., 0.2) t2 = t**2 t3 = t**3 #plt.plot(t, t, t, t2, t, t3) Submit separately as a python file.3x3 2d array filled with random numbers from 0-9 without repetitions using functions and pointers let the user choose from 5 options.1-fill the array with random numbers.2-print the array.3-print the largest number in the array.4-print the diagonal line from the array.5-type "." to exit the program.Question 1 Write a program that declares an array of 100 doubles. The program asks the user to enter a number N between 100, and then: initializes the first N elements of the array to random numbers between 1 and 100. calculates the average of these numbers and displays it. A final loop displays the elements of the array, each on a line, with an indication as to whether that number is lower or higher than the average. For example, if the numbers generated are 5, 28, 3, 8, 15, 7, 22, 6, 1, 4, then the program will print: Average = 9.9 5 28 3 8 15 7 22 6 1 4 11 11 11 -- 11 11 1- —— 11 lower than average higher than average lower than average lower than average higher than average lower than average higher than average lower than average lower than average lower than average