PLZ help with the following: IN JAVA What is wrong in the following code?
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PLZ help with the following: IN JAVA
What is wrong in the following code?
Step by step
Solved in 2 steps with 2 images
- JAVA Implement the equals method of the Arrow class. Two arrows are equal when they have the same starting point and direction. public class Arrow{ private Point start; private String direction; /** Constructs an arrow. @param x the x-position @param y the y-position @param direction a compass direction N E S W NE NW SE SW */ public Arrow(int x, int y, String direction) { start = new Point(); start.move(x, y); this.direction = direction; } /** Checks whether this arrow is equal to another. @param otherObject another arrow @return true if this arrow and otherObject have the same position and direction. */ public boolean equals(Object otherObject) { /* code goes here */ }}import java.awt.*; public class TestRectangle {public static void main(String[] args) {Rectangle r1 = new Rectangle(5, 4, 10, 17);Rectangle r2 = new Rectangle(10, 10, 20, 3);Rectangle r3 = new Rectangle(0, 1, 12, 15);Rectangle r4 = new Rectangle(10, 10, 20, 3);System.out.println("r1 = " + r1);System.out.println("r2 = " + r2);System.out.println("r3 = " + r3);System.out.println("r2 equals r1? " + r2.equals(r1));System.out.println("r2 equals r2? " + r2.equals(r2));System.out.println("r2 equals r3? " + r2.equals(r3));System.out.println("r2 equals r4? " + r2.equals(r4)); System.out.println("r1 contains (6, 8)? = " + r1.contains(6, 8));System.out.println("r2 contains (6, 8)? = " + r2.contains(6, 8));System.out.println("r3 contains (6, 8)? = " + r3.contains(6, 8));System.out.println("r2 contains (30, 13)? = " + r2.contains(30, 13)); r1.intersect(r3);r2.intersect(r4);System.out.println("r1 intersect r3 = " + r1);System.out.println("r2 intersect r4 = " + r2);…In Java trace the table for a while loop public class Main { public static void main(String[] args) { // Question 2 j = 30; x=5; for (int i=1;i<=2;i++) { while (j > 20) { j=j-x*i; ++x; }// end of while }// end of for j x i j<=2 j>20
- import java.util.Random; class Main { public static void main(String[] args) { Random rand = new Random(); int a = new int[100]; for (int i = 0; i < 100; i++) { a[i] = rand.nextInt(100); } print(a); System.out.println("---"); quicksort(a, 0, a.length - 1); print(a); } public static void print(int[] a) { for (int x : a) { System.out.println(x); } } public static void swap(int[] a, int p1, int p2) { int temp = a[p1]; a[p1] = a[p2]; a[p2] = temp; } public static int partition(int[] a, int left, int right) { int pivot = right; int p1 = left; int p2 = pivot - 1; while (p2 >= p1) { if (a[p1] > a[pivot]) { swap(a, p1, p2); swap(a, p2, pivot); p2 = pivot - 1; } else { p1++; } } return pivot; } public static void quicksort(int[] a, int left, int right) { if (left < right) { int p = partition(a, left, right); quicksort(a, left, p - 1);…import java.util.Scanner; public class LabProgram { public static void main(String[] args) { Scanner scnr = new Scanner(System.in); int n = scnr.nextInt(); int[] arr = new int[n]; for (int i = 0; i < n; i++) { arr[i] = scnr.nextInt(); } for (int i = n - 1; i >= 0; i--) { System.out.print(arr[i]); if (i > 0) { System.out.print(","); } } }}Please add algorithm and comments to my program. Thank youpublic class For {public static void main(String[] args) {String days[] = {"Monday", "Tuesday", "Wednesday", "Thursday", "Friday","Saturday", "Sunday"};for (int i = 0; i < days.length; i++) {// weekday =days[i] ;System.out.println(days[i]);}}}
- public class FindArrayDifference { static void arrayDifference(int a[], int b[]) { int k = 0; int [] c = new int[a.length]; for(int i=0; i < a.length; i++) { int j; for(j = 0; j < b.length; j++) if(a[i] == b[j]) break; if(j == b.length) c[k++] = a[i]; } for(int j = 0; j < k; j++) System.out.println(c[j]); } public static void main(String[] args) { int a[] = {1,2,3,7,8,15,26}; int b[] = {1,2,3,15,4,8,6}; arrayDifference(a,b); } } Calculate the algorithm step number and algorithm time complexity of the above program?Please help debug this: Debugging Exercise 4-3, Farrell, Joyce, Java Programming, 9th edition, Cengage Learning public class DebugBox { private int width; private int length; private int height; private FixDebugBox() { length = 1; width = 1; height = 1; } public DebugBox(int width, int length, int height) { width = width; length = length; height = height; } public void showData() { System.out.println("Width: " + width + " Length: " + length + " Height: " + height); } public double getVolume() { double vol = length - width - height; return vol; } }public class Soru32{ // Returns length of LCS for X[0..m-1], Y[0..n-1] static void lcs(String X, String Y, int m, int n) { int[][] L = new int[m+1][n+1]; // Following steps build L[m+1][n+1] in bottom up fashion. Note // that L[i][j] contains length of LCS of X[0..i-1] and Y[0..j-1] for (int i=0; i<=m; i++) { for (int j=0; j<=n; j++) { if (i == 0 || j == 0) L[i][j] = 0; else if (X.charAt(i-1) == Y.charAt(j-1)) L[i][j] = L[i-1][j-1] + 1; else L[i][j] = Math.max(L[i-1][j], L[i][j-1]); } } // Following code is used to print LCS int index = L[m][n]; int temp = index; // Create a character array to store the lcs string char[] lcs = new char[index+1]; lcs[index] = '\u0000'; // Set the terminating character // Start from the right-most-bottom-most…
- public class Soru32{ // Returns length of LCS for X[0..m-1], Y[0..n-1] static void lcs(String X, String Y, int m, int n) { int[][] L = new int[m+1][n+1]; // Following steps build L[m+1][n+1] in bottom up fashion. Note // that L[i][j] contains length of LCS of X[0..i-1] and Y[0..j-1] for (int i=0; i<=m; i++) { for (int j=0; j<=n; j++) { if (i == 0 || j == 0) L[i][j] = 0; else if (X.charAt(i-1) == Y.charAt(j-1)) L[i][j] = L[i-1][j-1] + 1; else L[i][j] = Math.max(L[i-1][j], L[i][j-1]); } } // Following code is used to print LCS int index = L[m][n]; int temp = index; // Create a character array to store the lcs string char[] lcs = new char[index+1]; lcs[index] = '\u0000'; // Set the terminating character // Start from the right-most-bottom-most…Write a recursive method in java that sums all values between s and n inclusive /* assume s is less than or equal to n to start */ public static int sum(int s, int n) { }Fill the insertCommas method to recursively construct and return a string representation of the parameter num, including commas for every third decimal place. Ex. 157992546 >>>>> 157,992,546 import java.util.*; public class NumbersWithCommas{ public static String insertCommas(int num){ } public static void main(String[] args){ int numTests =(int)(Math.random() * 6) + 5; for (int i = 0; i < numTests; i++){ int num = (int)(Math.random() * Integer.MAX_VALUE); System.out.println(num + " >>>>> " + insertCommas(num)); } System.out.println(1000000 + " >>>>> " + insertCommas(1000000)); System.out.println(1001020 + " >>>>> " + insertCommas(1001020)); System.out.println(561010002 + " >>>>> " + insertCommas(561010002)); } }