Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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how can i make a class of weapon that has A Boolean flag to know if you own that weapon.
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- Simplify the boolean expression. For the purpose of Canvas grading, only indicate what goes inside the parentheses: if ( ){..}. if (s1.isEmpty() == true || s1.equals (s2) == true) {arrow_forwardBlue-Eyed Island: A bunch of people are living on an island, when a visitor comes with a strangeorder: all blue-eyed people must leave the island as soon as possible. There will be a flight out at8:00pm every evening. Each person can see everyone else's eye color, but they do not know theirown (nor is anyone allowed to tell them). Additionally, they do not know how many people haveblue eyes, although they do know that at least one person does. How many days will it take theblue-eyed people to leave?arrow_forwardDefine the following methods: computeBaseArea() has one double parameter as a cylinder's radius. The method returns the area of the cylinder's base as a double. The area of the base is calculated by: ���� = � ∗ ������2 computeSurfaceArea() has two double parameters as a cylinder's radius and height. The method returns the cylinder's surface area as a double, and uses the computeBaseArea() method to calculate the cylinder's base area. The surface area is calculated by: ������� ���� = (2 ∗ ���� ����) + (2 ∗ � ∗ ������ ∗ ℎ���ℎ�) Click here for example Note: Use Math.PI for �. 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 public class CylinderCalculations { /* Your code goes here */ publicstaticvoidmain(String[] args) { Scannerscan=newScanner(System.in); doublecylinderRadius; doublecylinderHeight; cylinderRadius=scan.nextDouble(); cylinderHeight=scan.nextDouble(); System.out.println("Cylinder radius: "+cylinderRadius);…arrow_forward
- I have modified the code above. The input to test the method floydWarshal(graph,v) will come from the user (from the console through the scanner). v can not be a final variable because the user will determine the value of v. The double array graph will also be determined and input by the user (from the console through the scanner). I'm having issues getting the input from the user and putting it into the double array. I'm also having issues printing the result of the method, which should be the shortest path graph. Please help ------------------------------------------------------------------------------------ HERE IS THE CODE THAT I HAVE SO FAR import java.io.*;import java.util.*;import java.lang.*; public class Solution { final static int INF = 99999; public static void shortWarshall(int graph[][],int v) { int dist[][] = new int[v][v]; int i, j, k; /* Initialize the solution matrix same as input graph matrix. Or we can say the initial values of shortest distances are…arrow_forwardThe Factory method design pattern is advantageous since it enables dynamically creating new objects of a certain kind. True Untruearrow_forwardwhen coding a chess game, implement the following method: isInCheck(Side s): Returns true if the king of side s is attacked by any of the opponent’s pieces, i.e., if in the current board state, any of the opponents pieces can move to where the king is. Otherwise, it returns false. Note that this method is only used to warn the player when they are in check. You can use the GUI to test if this is working. public boolean isInCheck(Side side) { // TODO write this method return false; } public enum Side { BLACK, WHITE; public static Side negate(Side s) { return s == Side.BLACK ? Side.WHITE : Side.BLACK; } }arrow_forward
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