in java Declare and initialize an array with 8 integer elements. Use the random method of the Math class to initialize the values with random integers between 1 and 50 (exclude 50) and print each of them on Console.
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in java Declare and initialize an array with 8 integer elements. Use the
random method of the Math class to initialize the values with random
integers between 1 and 50 (exclude 50) and print each of them on
Console.
Step by step
Solved in 3 steps with 1 images
- JAVAWrite a program that searches person's name and display all matched name. For example, if a user inputs the letter "Davis", the program searches all name which includes "Davis" in an array. Then, display all matched names on the screen. You must declare a single dimensional array which has all people’s name. Use methods of string classWrite an application that stores nine integers in an array. Display the integers from first tolast, and then display the integers from last to first.Declare an array that represents 100 students. Assign the examscores between 0 and 100 randomly into this array. Write amethod and display that assigns letter grade equivalents of theexam scores to a second array. Display the number ofunsuccessful students.The grade scala is as follows:100 – 90 : A89 – 80 : B79 – 70 : C69 – 60 : D59 – 0 : F (unsuccessful) (Write in java)
- Create a Java array FirstArray, type int, length 10. Initialize it with the multiple of 2. Print the array using comma separators. (Hint: Use Arrays.toSring method. You need to import java.util.Arrays package) Print the array with vertical line (|) separator. DO NOT put the vertical line after last element.Java Problem: Implementing a method to print a cell's neighbors on a 2D array. The method's header is provided. The main method (do not alter it)w ill read N numbers to create the 2D array and it will call the method for you. Do not go out of the bounds of the 2D array. I have attached what it should look like with the following input: 4 4 1 2 3 4 7 8 9 10 13 14 15 16 19 20 21 22 2 2 Code I have so far: import java.util.Arrays;import java.util.Scanner;public class Problem3 {public static void printNeighbours(int[][] data, int row, int col){}public static void main(String[] args) {Scanner kb = new Scanner(System.in);int[][] data = new int[kb.nextInt()][kb.nextInt()];for (int i = 0; i < data.length; i++) {for (int j = 0; j < data[0].length; j++) {data[i][j] = kb.nextInt();}}System.out.println("The 2D Array:");for (int[] cols : data) {System.out.println(Arrays.toString(cols));}int row = kb.nextInt();int col = kb.nextInt();System.out.printf("The centre point is: %d %d…Complete the following program ArrayMax.java. The function max() should return a new array containing the max value of each corresponding value in two arrays. Below is the code, with the section that needs to be completed. The output should look exactly like what is given below, also
- Java OverviewIn this task you must write a class with which we can roll five dice and then check if we have got Yatzy (all five dice show the same value). The purpose is for you to learn how to handle an array and to sort the elements in an array. TaskYou have probably come into contact with the dice game Yatzy1 before. In that game, it is a matter of collecting points by throwing five dice and putting together different combinations, such as full house (two of a number and three of another), two pairs or yatzy. Getting yatzy means that all dice show the same number.Your task is to write a class called Yatzy with which you should be able to roll the five dice and then check if it became yatzy or not. The idea is that this class should include a method for each type of combination that is possible to get points for, but that you should only implement the method that controls yatzy. The class must contain an instance variable named dices. This is an array with room for five integers. It…Java OverviewIn this task you must write a class with which we can roll five dice and then check if we have got Yatzy (all five dice show the same value). The purpose is for you to learn how to handle an array and to sort the elements in an array. TaskYou have probably come into contact with the dice game Yatzy1 before. In that game, it is a matter of collecting points by throwing five dice and putting together different combinations, such as full house (two of a number and three of another), two pairs or yatzy. Getting yatzy means that all dice show the same number.Your task is to write a class called Yatzy with which you should be able to roll the five dice and then check if it became yatzy or not. The idea is that this class should include a method for each type of combination that is possible to get points for, but that you should only implement the method that controls yatzy. The class must contain an instance variable named dices. This is an array with room for five integers. It…Code an exam in Java that repeatedly asks the user to enter the capital for a province in Canada. Then, the program should report whether the answer is correct. Eventually, you must display how many answers the user guessed correctly.The requirements are as follows: - Use a 2D array to hold the provinces and their capitals (as implied by the table below)- Answers are not case-sensitive (e.g. Toronto and tOrOnto are considered the same)
- In this problem you will write a JAVA program that will randomize the elements of anarray created by the user.1. Prompt the user to enter an integer, then asks the user to enter that many values.Store these values in an array and print the array. Then re-shuffle the arrayelements so randomly. Do not just randomize the order in which they areprinted; actually change the way they are stored in the array. Do not createa second array; just rearrange the elements within the array you have.(Hint: Swap elements that need to change places.)When the elements have been randomized, print the array again.2. Create another version of your program that applies the following modification tothe randomization process: elements that have been already swappedshould not be swapped again.Example: if element 1 was swapped with element 10, when the 10 thelement is reached it should not be swapped again. Yet if the 2 nd elementis reached it can be swapped with the 10 the element. This is a valid swap.Hint:…Problem: Write a method that will determine whether a given value can be made given an array of coin values. For example, each value in the array represents a coin with that value. An array with [1, 2, 3] represents 3 coins with the values, 1, 2, and 3. Determine whether or not these values can be used to make a desired value. The coins in the array are infinite and can only be used as many times as needed. Return true if the value can be made and false otherwise. Dynamic Programming would be handy for this problem. Data: An array containing 0 or more coin values and an amount. Output: Return true or false. Sample Data ( 1, 2, 3, 12, 5 ), 3 ( 4, 15, 16, 17, 1 ), 21 ( 1 ), 5 ( 3 ), 7 Sample Output true true true falseANSWER IN JAVA: Write an application that inputs five numbers, each between 10 and 100, inclusive. As each number is read, display it only if it’s not a duplicate of a number already read. Provide for the “worst case,” in which all five numbers are different. Use the smallest possible array to solve this problem. Display the complete set of unique values input after the user enters each new value. NOTE: looking for the output to appear on three lines as shown in the results STANDARD OUTPUT: Enter·an·integer·between·10·and·100:This·is·the·first·time·100·has·been·entered↵ Enter·an·integer·between·10·and·100:Enter·an·integer·between·10·and·100:This·is·the·first·time·10·has·been·entered↵ Enter·an·integer·between·10·and·100:This·is·the·first·time·20·has·been·entered↵ Enter·an·integer·between·10·and·100:The·complete·set·of·unique·values·entered·is:↵ Unique·Value·1:·is·100↵ Unique·Value·2:·is·10↵ Unique·Value·3:·is·20↵