
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Write a Java program called AverageAge that includes an integer array called ages [] that stores the following ages; 23, 56, 67, 12, 45. Compute the average age in the array and display this output using a JOptionPane statement.
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- Write a program to do the following task: Declare a two-dimensional array with 3 rows and 4 columns and fill it with random integers in the range of 0 to 100. Then create a one-dimensional array of doubles whose elements are the average values of each of the rows of the two-dimensional array. Output the two-dimensional array with the average of each row displayed at the end of each line.using java programming different methodarrow_forwardCreate the following program to demonstrate working with arrays in java. Your company pays its sales staff on a commission basis. Each employee receives $500 per week plus 6.5% of their sales. For example, a salesperson who sells $10,000 worth of products will get a salary of 500 + (10000 * .065) or $1150 for that week. You are given the task of creating a program to allow a manager to enter in the sales for 10 employees. (Store them in an array of course.) Then it should display the 10 sales amounts, the 10 salaries for this pay period, and the average salary. (Hint: There are a couple ways to approach this one, here are two ideas: (1) You could create a second array for the salaries and load it at the same time as you gather and store the sales, then loop through the salaries one to find the average, and then you have all the pieces to print. (2) Another solution would be to take in the sales, and then calculate the salaries on the print (which means you don't have to store them in a…arrow_forwardFor Java. Create a program that can read N integer numbers, store them in an array and then use a method to calculate and return the average of all numbers. Refer to photo.arrow_forward
- This is needed in Javaarrow_forwardwrite the java programarrow_forwardCreate a Java program that will perform the following statements.Perform the following items in a continuous manner. The code solution for the next item will be basedon the code performed on the previous item.1. Create an ArrayList named “apostles” and add the following names to it: Juan, Pedro, Lucas,Judas, Mateo, Marcos and Simon.2. Print the size of the ArrayList to the standard output before and after adding the names.3. Use two methods to print the names in standard output.a. Using For loopb. Using Iterator4. Add the name “Philip” at the end, and add the name “Thomas” between the two names “Juan”and “Pedro”.5. Remove the name “Judas” using its index position.6. Search the names “Marcos”, “James” and “Judas” in the ArrayList “apostles”This part will display the following:Does “apostles” contains Marcos? _______ (it will return a Boolean result)Does “apostles” contains James? _______Does “apostles” contains Judas? _______7. Sort the names of the ArrayList in alphabetical order.8.…arrow_forward
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