public class Test {public static void main(String[] args) {int n =13;while (n <= 5) {method1(n);n++;}}public static void method1(int num) {for (int iSystem.out.print("*");}System.out.println(); //start a new line}1; i <= num; i++) {

In the following steps, the input, output and the code screenshot along with the output has been…

public class Test { public static void main(String[] args) { 13; while (n <= 5) { method1(n); int n = %3D n++; } public static void method1(int num) { for (int i = 1; i <= num; i++) { System.out.print("*"); %3D System.out.println(); //start a new lis

public class Test { public static void main(String[] args) { 13; while (n <= 5) { method1(n); int n = %3D n++; } public static void method1(int num) { for (int i = 1; i <= num; i++) { System.out.print("*"); %3D System.out.println(); //start a new lis

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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import java.util.Scanner; public class TriangleArea { public static void main(String[] args) { Scanner scnr = new Scanner(System.in); Triangle triangle1 = new Triangle(); Triangle triangle2 = new Triangle(); // TODO: Read and set base and height for triangle1 (use setBase() and setHeight()) // TODO: Read and set base and height for triangle2 (use setBase() and setHeight()) System.out.println("Triangle with smaller area:"); // TODO: Determine smaller triangle (use getArea()) // and output smaller triangle's info (use printInfo()) }} public class Triangle { private double base; private double height; public void setBase(double userBase){ base = userBase; } public void setHeight(double userHeight) { height = userHeight; } public double getArea() { double area = 0.5 * base * height; return area; } public void printInfo() { System.out.printf("Base:…
Question 16 What does the following code print out? public class MethodTrace { public void square(int x) { System.out.print(x*x); } public void divide(int x, int y) { System.out.println(x/y); } public static void main(String[] args) { MethodTrace trace0bj = new MethodTrace(); traceObj.square(5); System.out.print(" and "); traceObj.divide(4, 2); } } 25 and 2 25 and .5 225 25 2 Nothing, it does not compile.
import java.util.Scanner; public class leapYearLab { public static void main(String[] args) { Scanner scnr = new Scanner(System.in); int userYear; boolean LeapYear; System.out.println("Enter the year"); userYear = scnr.nextInt(); isLeapYear(userYear); //if leap year if (isLeapYear){ System.out.println(userYear + " - leap year"); } else{ System.out.println(userYear + " - not a leap year"); } scnr.close(); } public static boolean isLeapYear(int userYear){ boolean LeapYear; /* Type your code here. */ if ( userYear % 4 == 0) { // checking if year is divisible by 100 if ( userYear % 100 == 0) { // checking if year is divisible by 400 // then it is a leap year if ( userYear % 400 == 0) LeapYear = true; else LeapYear = false; } // if the year is not divisible by 100 else…
import java.util.Scanner; public class CharMatch { public static void main(String[] args) { Scanner scnr = new Scanner(System.in); String userString; char charToFind; int strIndex; userString = scnr.nextLine(); charToFind = scnr.next().charAt(0); strIndex = scnr.nextInt(); /* Your code goes here */ }}
Getting an error while running my code. import java.util.Scanner;import java.math.BigInteger; public class Main{Bigintege result;public static void computeFact(int n){BigInteger result = BigInteger.ONE;while (n>0){result = result.multiply(BigInteger.valueOf(n));n = n-1;}}public static void computeFact2(int n){BigInteger a = 4n;BigInteger fact = 1;while(n>0) {fact = fact.multiply(BigInteger.valueOf(4n));a = a - 1;}}BigInteger b=396, c, d;public static void compute(int n) {BigInteger sum = 0, final_result;public static void computeSummation() { while(n > 0) { sum = sum + (a/result) * (c); n = n-1; } final_result = d * sum;System.out.println("Final result is "+final_result);} public static void main(String[] args) { Scanner kybd = new Scanner(System.in); while ( true) { System.out.print("\n\tEnter an Integer Number e.g. 5 "); int num = kybd.nextInt(); computeFact(num); computeFact2(num); compute(num); computeSummation(num);} }}
*JAVA* complete method Delete the largest valueremoveMax(); Delete the smallest valueremoveMin(); class BinarHeap<T> { int root; static int[] arr; static int size; public BinarHeap() { arr = new int[50]; size = 0; } public void insert(int val) { arr[++size] = val; bubbleUP(size); } public void bubbleUP(int i) { int parent = (i) / 2; while (i > 1 && arr[parent] > arr[i]) { int temp = arr[parent]; arr[parent] = arr[i]; arr[i] = temp; i = parent; } } public int retMin() { return arr[1]; } public void removeMin() { } public void removeMax() { } public void print() { for (int i = 0; i <= size; i++) { System.out.print( arr[i] + " "); } }} public class BinarH { public static void main(String[] args) { BinarHeap Heap1 = new BinarHeap();…
import java.util.Scanner; public class LabProgram { // Recursive method to draw the triangle public static void drawTriangle(int baseLength, int currentLength) { if (currentLength <= 0) { return; // Base case: stop when currentLength is 0 or negative } // Calculate the number of spaces needed for formatting int spaces = (baseLength - currentLength) / 2; if (currentLength == baseLength) { // If it's the first line, don't output spaces before the first '*' System.out.println("*".repeat(currentLength) + " "); } else { // Output spaces and asterisks System.out.println(" ".repeat(spaces) + "*".repeat(currentLength) + " "); } // Recursively call drawTriangle with the reduced currentLength drawTriangle(baseLength, currentLength - 2); } public static void drawTriangle(int baseLength) { drawTriangle(baseLength, baseLength); } public static…
Consider the GameOfLife class public class GameOfLife { private BooleanProperty[][] cells; public GameOfLife() { cells = new BooleanProperty[10][10]; for (int x = 0; x < 10; x++) { for (int y = 0; y < 10; y++) { cells[x][y] = new SimpleBooleanProperty(); public void ensureAlive(int x, int y) { cells[x][y].set(true); public void ensureDead(int x, int y) { cells[x][y]•set(false); public boolean isAlive(int x, int y) { return cells[x][y]•get(); } a. Identify one code smell in this program. b. Identify and explain the most pertinent (problematic) design smell in this program.
Given string inputStr on one line and integers idx1 and idx2 on a second line, output "Match found" if the character at index idx1 of inputStr is equal to the character at index idx2. Otherwise, output "Match not found". End with a newline. Ex: If the input is: eerie 4 1 then the output is: Match found Note: Assume the length of string inputStr is greater than or equal to both idx1 and idx2.
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8) Now use the Rectangle class to complete the following tasks: - Create another object of the Rectangle class named box2 with a width of 100 and height of 50. Note that we are not specifying the x and y position for this Rectangle object. Hint: look at the different constructors) Display the properties of box2 (same as step 7 above). - Call the proper method to move box1 to a new location with x of 20, and y of 20. Call the proper method to change box2's dimension to have a width of 50 and a height of 30. Display the properties of box1 and box2. - Call the proper method to find the smallest intersection of box1 and box2 and store it in reference variable box3. - Calculate and display the area of box3. Hint: call proper methods to get the values of width and height of box3 before calculating the area. Display the properties of box3. 9) Sample output of the program is as follow: Output - 1213 Module2 (run) x run: box1: java.awt. Rectangle [x=10, y=10,width=40,height=30] box2: java.awt.…
import java.util.Scanner; public class LabProgram { /* Define your method here */ public static void main(String[] args) { Scanner scnr = new Scanner(System.in); /* Type your code here. */ }}