For the given method header, make a copy of the array passed in that triples(i.e. multiplies by 3) every other VALUE in the array, starting with the first element. You may assume the passed in array will not be null and contain at least 2 values. For example, if the input array is: 45 -2 -3 9 Then the returned COPY of the array (not the original array) would be: 12 5-6-3 27 Here is the method header: public int[] triple (int[] input)
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- In the box provided, complete the static method filterArray() to return a new array containing the even numbers divisible by 10 in the input array. For example, if the input array arr looks like this: (CLO2) 1 22 11 45 55 25 71 80 8 10 0 1 2 3 4 5 6 7 8 9 Then the method returns this array: 80 10 0 1 i need code in javaGiven two intervals (a1, b1) and (a2, b2) on the real number line, write a method overlap to determine if they overlap or not. For example, (2.7, 5.3) and (4.8, 12.2) overlap, (3.4, 6.6) and (6.6, 7.3) do not overlap, while (2.7, 5.3) and (7.1, 9.5) do not overlap. Each interval is represented by an array of two real numbers, and the method returns a Boolean. Test the method in the ‘main’ method. For problems asking for 'methods', you need to write the method, and the 'main' method which is used as a 'driver' to test the given method.Write a program with a main() method that asks the user to input an integer array of 10 elements.Next, create three methods described below. From inside your main() method, call each of thethree methods described below and print out the results of the methods 2, 3, which return values. 1. printReverse() - a method that receives an array of integers, then reverses the elements ofthe array and prints out all the elements from inside the method. Print all in one lineseparated by commas (see sample output below). Do not print the ‘trailing’ comma!!2. getLargest() – a method that receives an array of integers, then returns the largest integervalue in the array. Return largest integer and print from main(), not method.3. computeTwice()- a method that receives the previously reversed array of integers, thenreturns an array of integers which doubles the value of each number in the array (see thesample output below). Return new array of integers print from main(), not methodEXAMPLE OUTPUT:Enter…
- Define an array to be a 121 array if all elements are either 1 or 2 and it begins with one or more 1s followed by a one or more 2s and then ends with the same number of 1s that it begins with. Write a method named is121Array that returns 1 if its array argument is a 121 array, otherwise, it returns 0. There is one additional requirement. You should return 0 as soon as it is known that the array is not a 121 array; continuing to analyze the array would be a waste of CPU cycles. If you are programming in Java or C#, the function signature isint is121Array(int[ ] a) If you are programming in C or C++, the function signature isint is121Array(int a[ ], int len) where len is the number of elements in the array a. Examples a is then function returns reason {1, 2, 1} 1 because the same number of 1s are at the beginning and end of the array and there is at least one 2 in between them. {1, 1, 2, 2, 2, 1, 1} 1 because the same number of 1s are at the beginning and end of…I need to write an array that can remove the middle element of an array if the array is odd length and remove the middle 2 elements if the array is of even length. my current method looks like this but does not work. Where am I going wrong? public static int[] removeMiddle(int[] values) { boolean even = false; int temp = values[0]; int temp2 = values[0]; int count = values.length; if( count % 2 == 0){ even = true; } for (int i = 1; i < values.length-1; i++){ if (even = true){ temp = values.length / 2; temp2 = values.length / 2 + 1; }else if(even = false){ temp = values.length / 2; values[temp] = values.length-1; count--; } } The problem is from Big Java 6th Edition. E7.10FOR 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.
- Write a helper method, with the signature eliminateZerosinArray[int[]): int[], that takes a single dimensional int array as an argument, and returns a new array that only contains the original values that are not equal to 0. The returned array may be the same size or smaller depending on whether there are values that are equal to 0 in the original array. You may only use standard intl| arrays to solve this.Write a method which takes an integer ‘N’ as argument, and generates the ‘Pascal triangle’ of height ‘N’, and returns it. ‘Pascal triangle’ is a triangular array of binomial coefficients. An example with N = 5 is shown below. Hint: The value of a non-boundary element is related to the elements above and above-left. Test the method in the ‘main’ method. 1 1 1 1 2 1 1 3 3 1 1 4 6 4 1 For problems asking for 'methods', you need to write the method, and the 'main' method which is used as a 'driver' to test the given method.In java, Write a method checks if a given matrix is a unit matrix. An N x N unit matrix is a matrix of N rows and N columns where all the diagonal elements are ‘1’s and all the remaining elements are ‘0’s. The method should take a 2D array of integers as argument and return a Boolean which is true/false depending on whether the matrix corresponding to the 2D array is a unit matrix or not. Test the method in the ‘main’ method. For problems asking for 'methods', you need to write the method, and the 'main' method which is used as a 'driver' to test the given method.
- Four integers are read from input and stored into the array arrayToModify. Write a static method resetFirstValue() that takes an integer array parameter and replaces the first element with 1. Ex: If the input is 55 45 70 65, then the output is: Original array: 55 45 70 65 Changed array: 1 45 70 65 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 Scannerscnr=newScanner(System.in); finalintNUM_ELEM=4; int[] arrayToModify=newint[NUM_ELEM]; inti; intuserNum; for (i=0; i<arrayToModify.length; ++i) { arrayToModify[i] =scnr.nextInt(); } System.out.print("Original array: "); printArr(arrayToModify); resetFirstValue(arrayToModify); System.out.print("Changed array: "); printArr(arrayToModify); } }Needs to be written in java: Write a program with a main() method that asks the user to input an integer array of 10 elements.Next, create three methods described below. From inside your main() method, call each of thethree methods described below and print out the results of the methods 2, 3, which return values.1. printReverse() - a method that receives an array of integers, then reverses the elements ofthe array and prints out all the elements from inside the method. Print all in one lineseparated by commas (see sample output below).2. getLargest() – a method that receives an array of integers, then returns the largest integervalue in the array. (print result from main())3. computeTwice()- a method that receives the previously reversed array of integers, thenreturns an array of integers which doubles the value of each number in the array (see thesample output below). (print result from main())Sample output:Enter a number:22Enter a number:34Enter a number:21Enter a number:35Enter a…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.)