Write a program whose input is two integers and whose output is the two integers swapped. Place the values in an array, where x is position 0 and y is position 1.
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- Write a Java program that expands a given binomial (x + y)^n, where integer n is user input. To do the work of the binomial expression, first create a method that accepts n as a parameter and then returns an array holding the coefficients needed for the binomial expansion using the Pascal’s Triangle method. Create a 2nd method which takes the array holding the coefficients as a parameter and prints the appropriate binomial expansion. For example, if n = 5 is entered by the user, the method calculating the coefficients should return {1,5,10,10,5,1} and the method that prints the expansion should print the following: (x + y)^5 = x^5 + 5x^4y + 10x^3y^2 + 10x^2y^3 + 5xy^4 + y^5 Your main method should use an appropriate loop for repeated inputs and automatically call the methods to calculate the coefficients and print the binomial expansion. There isn’t a need for a menu although you should ask the user if they want to quit or continue after their binomial expansion is printed each time.…Write a static method: public static double intersectionSum(double[] a, double[] b) that takes two double arrays as arguments and returns the sum of the elements the two arrays have in common. In other words, the result should be the sum of every element in the two arrays where a[i] is equal to b[i] for some index i. Note that the two arrays may not be the same length. In these cases, you should only consider the indices that the arrays have in common (the indices of the shorter array). If either (or both) arrays are empty or null, the result should be 0.0. Example 1: intersectionSum({3.0, -4.0, 5.8, 6.75}, {3.0, 2.5, 5.8, 4.95}) è 8.8, since a[0] == b[0] and a[2] == b[2] and 3.0 + 5.8 = 8.8 Example 2: intersectionSum({8.5, 9.75, 1.25}, {3.5, 9.75, 1.25, 8.5, -2.34}) è11.0, since a[1] == b[1] and a[2] == b[2] and 9.75 + 1.25 = 11.0FOR JAVA // Question is the first one, try to solve it by using the second question. Repeat the second question, but if there are multiple occurrences of the number, your program must return the largest index instead of the small- est. Write a method that takes a one dimensional integer array and an integer, and returns the index of the integer in the array. If the integer is not in the array, your program must return -1. If there are multiple occurrences of that number, your program must return the smallest index.
- Use Java programming. Write the removeEvens() method, which receives an array of integers as a parameter and returns a new array of integers containing only the odd numbers from the original array. The main program outputs values of the returned array. Hint: If the original array has even numbers, then the new array will be smaller in length than the original array and should have no blank elements. Ex: If the array passed to the removeEvens() method is [1, 2, 3, 4, 5, 6, 7, 8, 9], then the method returns and the program output is: [1, 3, 5, 7, 9] Ex: If the array passed to the removeEvens() method is [1, 9, 3], then the method returns and the program output is: [1, 9, 3] import java.util.Arrays; public class LabProgram { public static int[] removeEvens(int [] nums) { /* Type your code here */} public static void main(String[] args) { int [] input = {1,2,3,4,5,6,7,8,9};int [] result = removeEvens(input); // Helper method Arrays.toString() converts int[] to a…Write a java code for the following. Write two methods that return the union and intersection of two arrays of integers using the following header: public int [ ] union(int arr1[ ], int arr2[ ] ) public int [ ] intersection(int arr1[ ], int arr2[ ]) For example, the union of two array lists {2, 3, 1, 5} and {3, 4, 6} is {2, 3, 1, 5, 3, 4, 6} and intersection is {3}. Write a test program that prompts the user to enter two lists of size 4 each, and displays their union and intersection. The numbers are separated by exactly one space in the output.FOR JAVA Write a method that takes a one dimensional integer array and an integer, and returns the index of the integer in the array. If the integer is not in the array, your program must return -1. If there are multiple occurrences of that number, your program must return the smallest index. Repeat the second question, but if there are multiple occurrences of the number, your program must return the largest index instead of the small- est.
- Write a program that reads a list of 10 integers, and outputs those integers in reverse. For coding simplicity, follow each output integer by a space, including the last one. Then, output a newline. Ex: If the input is 2 4 6 8 10 12 14 16 18 20, the output is: 20 18 16 14 12 10 8 6 4 2 To achieve the above, first read the integers into an array. Then output the array in reverse. IN CORAL Please!Write a program that stores a phrase as an array of words, and then prints it backward. The main method calls method getInput , which asks the user how many words there are, stores them in an array, and returns this array. printBackwards then take this array of words and prints it in reverse. For example, if the words were "Today" "is" "Monday" your method will print "Monday is Today"Write a Java method that takes two 2 dimensional int arrays (a and b) anda 2 dimensional boolean array (c) where all three arrays have the samesize. Your method should return an array (result) such that, if a particular element in c is true, then the corresponding (same indexed) elementin result must be the multiplication of the the corresponding elements ofa and b. If the element in c is false, then the the corresponding elementin result must be the negative of multiplication of the the correspondingelement in a and b.
- JAVA PROGRAM Write a program that asks the user to input two integers a and b. Then create an array that has all integer from a to b. Print out the array. (Don’t forget to consider the situation of a=b, a<b, and a>b.) Example 1: Input two numbers: 6 2 Array is [6, 5, 4, 3, 2] Example 2: Input two numbers: 4 8 Array is [4, 5, 6, 7, 8] Pass the above array as a parameter to a method called average and return the average and print it out in the main method. (Do not use Math library to get the average.)Write a program that reads a list of integers, and outputs those integers in reverse. The input begins with an integer indicating the number of integers that follow. For coding simplicity, follow each output integer by a space, including the last one. Assume that the list will always contain fewer than 20 integers. Ex: If the input is: 5 2 4 6 8 10 the output is: 10 8 6 4 2 To achieve the above, first read the integers into an array. Then output the array in reverse. import java.util.Scanner; public class LabProgram { public static void main(String[] args) { Scanner scnr = new Scanner(System.in); int[] userList = new int[20]; // List of numElement integers specified by the user int numElements; // Number of integers in user's list// Add more variables as needed numElements = scnr.nextInt(); // Input begins with number of integers that follow/* Type your code here. */}}FOR JAVA Write a method that takes a one dimensional integer array and an integer, and returns the index of the integer in the array. If the integer is not in the array, your program must return -1. If there are multiple occurrences of that number, your program must return the smallest index.