Consider the Java code fragment given in Fragment 2, and answer the questions at the end Marks [2+2 = 4] Fragment 2 What might go wrong with the code in fragment 2?
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- Make a java program that facilitates addition, subtraction, multiplication, and division of mixed numbers but this time all of the inputs /outputs may involve fractions, mixed fractions, or a combination. PLEASE HELP ME BUILD THE FractionTester Class Points to consider: MixedFraction class must override the operations (add, subtract, multiplyBy, divideBy) inherited from Fraction class to have a different implementation if the MixedFraction object will have a Fraction object as parameter in performing the required operation, On top of that, the inherited operations must also be overloaded to allow a MixedFraction object to accept other parameters such as a whole number or another MixedFraction object. The toString method which is inherited must also be overridden by MixedFraction to have a more appropriate return value. Further formatting must also be considered such that if the result of the operation has a zero value for the whole part, the output should only show the fractional part…Make a java program that facilitates addition, subtraction, multiplication, and division of mixed numbers but this time all of the inputs /outputs may involve fractions, mixed fractions, or a combination. PLEASE HELP ME BUILD THE Fraction Class Points to consider: MixedFraction class must override the operations (add, subtract, multiplyBy, divideBy) inherited from Fraction class to have a different implementation if the MixedFraction object will have a Fraction object as parameter in performing the required operation, On top of that, the inherited operations must also be overloaded to allow a MixedFraction object to accept other parameters such as a whole number or another MixedFraction object. The toString method which is inherited must also be overridden by MixedFraction to have a more appropriate return value. Further formatting must also be considered such that if the result of the operation has a zero value for the whole part, the output should only show the fractional part (ex.…Please implement in Java implement a keyed bag in which the items to be stored are strings (perhaps people’s names) and the keys are numbers (perhaps Social Security or other identification numbers). So, the in- sertion method has this specification: public void insert(String entry, int key);// Precondition: size( ) < CAPACITY, and the // bag does not yet contain any item// with the given key.// Postcondition: A new copy of entry has// been added to the bag, with the given key. When the programmer wants to remove or retrieve an item from a keyed bag, the key of the item must be specified rather than the item itself. The keyed bag should also have a boolean method that can be used to determine whether the bag has an item with a specified key. In a keyed bag, the pro- grammer using the class specifies a particular key when an item is inserted. Here’s an implementation idea: A keyed bag can have two private arrays, one that holds the string data and one that holds the corresponding…
- Explain why does IllegalThreadStateException could arise in Java. Give example.In java, why is the runtime stack not a good place to keep objects dynamically allocated with the new operator? (Give short answer) Like for the correct answWrite a java program that enables the user to enter a string and an index,then cuts the letter in the given index(only cuts the single letter). Then prints the new string without that letter
- Write a java (Java 7 ) program for this :-- A new deadly virus has infected large population of a planet. A brilliant scientist has discovered a new strain of virus which can cure this disease. Vaccine produced from this virus has various strength depending on midichlorians count. A person is cured only if midichlorians count in vaccine batch is more than midichlorians count of person. A doctor receives a new set of report which contains midichlorians count of each infected patient, Practo stores all vaccine doctor has and their midichlorians count. You need to determine if doctor can save all patients with the vaccines he has. The number of vaccines and patients are equal. Input Format First line contains the number of vaccines - N. Second line contains N integers, which are strength of vaccines. Third line contains N integers, which are midichlorians count of patients. Output Format Print a single line containing ′Yes′ or ′No′. Input Constraint 1<N<10 Strength of vaccines…Write a java program that will solve the problem: For a given ListADT that contains Items with numerical key value (integer), reorder it into two partitions of equal size such as the difference between the sum of those integers in the first partition and the second partition would be minimal.This is the implementation of the Caesar cipher (Section5.3 in the textbook), which we discussed in class. Caesar cipher is a simple approach toencoding messages by shifting each letter in a message along the alphabet by aconstant amount.Your code will be similar to Listing 5.1, but you must use CircularArrayQueue.javainstead of the Java API queue. //5.1 import java.util.*;public class Codes { public static void main(String[] args) { int[] key = {5, 12, -3, 8, -9, 4, 10}; Integer keyValue; String encoded = "", decoded = ""; String message = "All programmer are playwrights and all "+"computers are lausy actors."; Queue<Integer> encodingQueue = new LinkedList<Integer>(); Queue<Integer> decodingQueue = new LinkedList<Integer>(); for (int scan=0; scan < key.length; scan++) { encodingQueue.add(key[scan]); decodingQueue.add(key[scan]); } for (int scan=0; scan < message.length();…
- Write a program in java that forms a green square inside a JPanel. Once you press space, the square should move from one side to the other horizontally (for example from left topto the right top).When the square hits the edge of the Panel, it should move the negative direction to reach to the other side. The square must be updated using a Runnable and therefore,make sure that it is utilizing concurrency properly. You know that you need to override the method run, coming from a Runnable to implement basic concurrency.Another trick, when the user presses S key, a new square is created and they move simultaneously (as they are concurrent objects). Make sure they don't stand on top of eachother; change their Y coordinates a bit to make the other squares a bit lower in the screen. We should be able to create 5 squares in your environment. Beyond 5, you shouldprevent creation of additional squares.Implement Longest Common Subsequence code in java?Write a program that benchmarks QuickSort and InsertionSort. You should use at least 5 different data sets and record the performance of each algorithm on the same sets under the same conditions. Write a short report that compares the two algorithms based your results. It is important to include a discussion of the initial states of the data sets in your report. language Java public class week3 {public static void main(String args[]){ //========================================================== //Question 1 testing //================== // Comment on benchmarking for Q1 results // // //========================================================== } static void quickSort(int f[], int p, int q){ if(q-p <= 1) ; //skip else{ int x; int i, j, k; // let x = middle element in f[p..q-1] x = f[(p+q)/2]; //x = f[p]; i = p; j = p; k = q; while(j != k){ if(f[j] == x) j = j + 1; else if(f[j] < x){ //swap f[j] with f[i] int temp; temp = f[j]; f[j] = f[i]; f[i] = temp; j = j + 1; i = i + 1; } else{…