Write a java program that creates an array of one hundred random numbers (the range of the random numbers must be between 150 and 999 inclusive). Then it should find out and display: 1- how many even numbers in the array. 2- The average of all numbers in the array. 3- how many numbers are greater than the average in the array. wwww
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- In programming language Java, make a programm that scans an array of numbers and then checks which numbers have ONLY one digit 7. For example: we input numbers 23, 143, 98, 2373, 77, 97, 7001. And it displays these numbers: 2373, 97, 7001. (Doesn't display 77 because it has 2 sevens).For Beginners Java: Write a program that ask the user to enter a list of positive scores until the user enters a negative score to terminate the input. You need to store these scores in an array. You can assume the maximum number of scores the user may enter is 50. However, you need to keep track of the actual number of scores entered. Write 2 methods: 1. calculateAverage(): this method takes the list of scores and return the average score. 2. countPerfectScores(): this method takes the list of scores and return the number of perfect scores (100). The main program reads the input and calls these methods and print the results. Please make sure you write a comment line to document what your method does.JAVA - Multi Dimensional Arrays Ask the user for the number of rows and columns of a two-dimensional array and then its integer elements. Print the row number of the row where the sum of all of its elements is even. For this problem, it is guaranteed that there is one and only one row of such case. Row count starts at 0. Input 1. One line containing an integer for the number of rows 2. One line containing an integer for the number of columns 3. Multiple lines containing at least one integer each line for the elements of the array Sample 2 7 4 1 1 2 0 5 0 Output Note that the row number starts at 0, not 1. Enter # of rows: 3 Enter # of columns: 3 Enter elements: 2 7 4 1 1 2 0 5 0 Even row: 1
- In java Write a program that uses a 2-D array to store the highest and lowest temperatures for each month of the year. The program should output the average high, average low, and highest and lowest temperatures of the year. Your program must consist of the following methods with their appropriate parameters:a.) getData: This method reads and stores the data in the 2-D array.b.) averageHigh: This method calculates and returns the average high temperature of the year.c.) averageLow: This method calculates and returns the average low temperature of the year.d.) indexHighTemp: This method returns the index of the highest temperature in the array.e.) indexLowTemp: This method returns the index of the lowest temperature in the array.Use the following input:High temp for each month: 30 40 45 60 70 90 89 95 79 90 70 40Low temp for each month: 10 -10 20 30 50 75 85 79 50 80 30 20Write a java program: Question 1 Write a program that allows the user to enter name and grade until "QUIT" is entered for name. The grade should be a number between 0 and 100. If the user input of a grade is not in this range, you should ask the user to re-input the grade. Store all the names in an array called names, and all the grades in an array called grades. Print out all the names and the corresponding grades. For Example, Input Enter name: Alice Enter grade: 90 Enter name: Bob Enter grade: 80 QUIT Expected output Name: Alice, Grade: 90 Name: Bob, Grade: 80In 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. Rough output in screenshot
- for beginners java, 1. Write the method that reverses the array passed in the argument and returns this array. Hint: your method may need the array size as a parameter. 2. Write a test program that prompts the user to enter a list of numbers until the user enters -999. Store these numbers in an array (max size = 40) and invokes the above method to reverse the numbers, and displays the numbers. You need to keep track of how many numbers the user enters, you can not use array length because the length is always 40.Write a Java program named Findletter that asks the user to enter 10 letters and store them in an array. Then it should ask the user to enter a letter (char value) to search for it. Then, if the entered letter is found, the program should display the message "The letter is in the array", otherwise it should display the message "The letter is not in the array".Write a java application which initializes an array with ten random integers between 1 and 6. Write two methods: 1. arraySwap: this method should accept an integer array and swap the first and the last item. 2. findMinimum: this method should accept the array and return the minimum value of that array You should comment and follow javaDoc for both methods. Your main method should test each of these methods.
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