Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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1. Using the NetBeans IDE make a new project to modify the SmallO.java
2. Using the IDE make a new project to modify the SmallO.java program (file attached) so that integers instead of Strings are entered by the user.
3. Using the IDE make a new project to modify the SmallO.java program (file attached) so that it only loops until the number -999 is entered by the user.
NOTE: SmallO.java file image attached
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- Write a Java program that allows the user to enter the expenses’ in term of AED by using a while loop to calculate the average. The number of expenses is unknown. To stop entering the expenses, the user needs to enter a negative value. Show the total, average and the count.arrow_forwardFor this problem, you are given a java code FlipAgain.java. Copy the .java file to your project folder. Open the file in your IDE. You have to edit this code to make it work. You can see that the code I have given you does not compile. So, you won’t be able to run it without fixing the code. Perform the following tasks in order. The code as given does not compile. Notice that the while loop tests if again.equals("y"), but the variable again doesn't have a value at first. Give it a value so that the code will compile and the loop will run at least once. Now that the program is working, change the loop from a while loop to a do-while loop. Make sure it still works. What happens if you delete what you added in step 1? Change the line back to just String again; Does the program still work? Why or why not? (Answer in a comment in the program.) After completing the above three tasks submit the final code, where you converted the while loop to do-while loop. FlipAgain.java ----->...arrow_forwardThis is Java Programming! We are working with MaxHeap Instructions: Don't modify the two codes below. You need to make a MaxHeapInterface.java that implements the bstMaxHeap in the Driver.java code. If you haven't look at the code, look at them now. Driver.java code: /** A driver that demonstrates the class BstMaxHeap. @author Frank M. Carrano @author Timothy M. Henry @version 5.0*/public class Driver {public static void main(String[] args) { String jared = "Jared"; String brittany = "Brittany"; String brett = "Brett"; String doug = "Doug"; String megan = "Megan"; String jim = "Jim"; String whitney = "Whitney"; String matt = "Matt"; String regis = "Regis"; MaxHeapInterface<String> aHeap = new BstMaxHeap<>(); aHeap.add(jared); aHeap.add(brittany); aHeap.add(brett); aHeap.add(doug); aHeap.add(megan); aHeap.add(jim); aHeap.add(whitney); aHeap.add(matt); aHeap.add(regis); if (aHeap.isEmpty()) System.out.println("The heap is empty -...arrow_forward
- IN PYTHON PLEASE, THANK YOU!!!!arrow_forwardthe java file is here. and the question is attached as a photo. i // **************************************************************** // ParseInts.java Authors: Lewis, Loftus & DuVall-Early // Date: 4/17/21 // // Reads a line of text and prints the integers in the line. // // **************************************************************** import java.util.Scanner; public class ParseInts { //--------------------------------------------- // main method //--------------------------------------------- public static void main(String[] args) { int val, sum=0; Scanner scan = new Scanner(System.in); System.out.println("Enter a line of text"); Scanner scanLine = new Scanner(scan.nextLine()); while (scanLine.hasNext()) { val = Integer.parseInt(scanLine.next()); sum += val; } System.out.println("The sum of the integers on this line is " + sum); scan.close(); scanLine.close(); } }arrow_forward
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