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- Using java BlueJ write a class Forest that has a method paintTree( )that displays one tree. Use BorderLayoutManager in this class.The user should be able to enter the number of trees in the forest in a JTextFieldUsing a loop statement, draw a forest by repeatedly invoking the method paintTree ( ).The forest should consist of randomly located trees with the random color of the tree tops.The user should be able to redraw a forest multiple times by entering a different number of trees intoJTextField (the previous picture will be replaced by a new forest)Method paintTree ( ) should have 4 parameters:Graphics g, x and y coordinates,treeColor - color of the tree topx, y and treeColor must be generated randomly for each tree.The xxx_Student class:– Name - the name consists of the First and Last name separated by a space.– Student Id – a whole number automatically assigned in the student class– Student id numbers start at 100. The numbers are assigned using a static variable in the Student class• Include all instance variables• Getters and setters for instance variables• A static variable used to assign the student id starting at 100• A toString method which returns a String containing the student name and id in the format below:Student: John Jones ID: 101 The xxx_Course classA Course has the following information (modify your Course class):– A name– An Array of Students which contains an entry for each Student enrolled in the course (allow for up to 10 students)– An integer variable which indicates the number of students currently enrolled in the course. Write the constructor below which does the following:Course (String name)Sets courseName to nameCreates the students array of size 10Sets number of…Below is the code for a Time class that has both an equals method and a hashCode method; however, the body of the hashCode method is missing. In the text box, write the code you would put inside the body of the hashCode method. Remember that a hashCode with no collisions is better than a hashCode that has collisions and a hashCode with no gaps in the values is better than a hashCode that has gaps. public class Time { private int hour; // A number between 1 and 12 private int min; // A number between 0 and 59 private boolean pm; // True if the time is pm. public Time(int hour, int min, boolean pm) { this.hour = hour; this .min = min; this.pm = pm; } public int getHour() { return hour; } public int getMin() { return min; } public boolean isPM() { return pm == true; } public boolean isAM() { return pm == false; } public boolean equals(Object obj) { if (this == obj) return true; if (obj ==…
- Below is the code for a Time class that has both an equals method and a hashCode method; however, the body of the hashCode method is missing. In the text box, write the code you would put inside the body of the hashCode method. Remember that a hashCode with no collisions is better than a hashCode that has collisions and a hashCode with no gaps in the values is better than a hashCode that has gaps. public class Time { private int hour; // A number between 1 and 12 private int min; // A number between 0 and 59 private boolean pm; // True if the time is pm. public Time(int hour, int min, boolean pm) { this.hour = hour; this .min = min; this.pm = pm; } public int getHour() { return hour; } public int getMin() { return min; } public boolean isPM() { return pm == true; } public boolean isAM() { return pm == false; } public boolean equals(Object clock) { if (this == clockj) return true; if…The following code is an example of what type of search? public class Bank { public BankAccount find(int accountNumber) { for (BankAccount a : accounts) { if (a.getAccountNumber() == accountNumber) return a; } return null; } . . . }Please read the instructions carefully and keep in mind of the bolded phrases. You are NOT ALLOWED to use HashSet You are NOT ALLOWED to create helper methods Create a project in NetBeans and name the project Hw06. The class will contain the following static methods: reverseS – A method that displays a string reversely on the console using the following signature: publicstaticvoidreverseS(Strings) printSub1 – print all substrings of a string (duplicated substrings are allowed, but loops are not allowed). The method signature: public static void printSub1(String s) printSub2 – print all substrings of a string (duplicated substrings are not allowed, but loops are allowed). The method signature: public static void printSub2(String s) Note: All methods should be RECURSIVE. Any predefined classes that are based on Set are not allowed. In the main method, read a string from the user and output the reversed string and substrings to the screen: Sample Run: Please input a string:…
- /* This is the code for the Word Jumble game from Chapter 3. Improve the Word Jumble game by adding a scoring system. Make the point valuefor a word based on its length. Deduct points if the player asks for a hint. */ // Word Jumble// The classic word jumble game where the player can ask for a hint #include <iostream>#include <string>#include <cstdlib>#include <ctime> using namespace std; int main(){ enum fields {WORD, HINT, NUM_FIELDS}; const int NUM_WORDS = 5; const string WORDS[NUM_WORDS][NUM_FIELDS] = { {"wall", "Do you feel you're banging your head against something?"}, {"glasses", "These might help you see the answer."}, {"labored", "Going slowly, is it?"}, {"persistent", "Keep at it."}, {"jumble", "It's what the game is all about."} }; srand(static_cast<unsigned int>(time(0))); int choice = (rand() % NUM_WORDS); string theWord = WORDS[choice][WORD]; //word to guess string theHint =…Please read the instructions carefully and keep in mind of the bolded phrases. You are NOT ALLOWED to use HashSet Create a project in NetBeans and name the project Hw06. The class will contain the following static methods: reverseS – A method that displays a string reversely on the console using the following signature: public static void reverseS(String s) printSub1 – print all substrings of a string. The method signature: public static void printSub1(String s) /* Note for printSub1: duplicated substrings ARE ALLOWED, but loops are NOT ALLOWED */ printSub2 – print all substrings of a string. The method signature: public static void printSub2(String s) /* Note for printSub2: duplicated substrings are NOT ALLOWED, but loops ARE ALLOWED */ Note: All methods should be RECURSIVE. Any predefined classes that are based on Set are not allowed. In the main method, read a string from the user and output the reversed string and substrings to the screen: Sample Run: Please input a string:…In main(), prompt the user for two items and create two objects of the ItemToPurchase class. Before prompting for the second item, call scnr.nextLine(); to allow the user to input a new string
- Add a void testOverriding() method to the SimpleGeometricObject class. Make it print“This is the testOverriding() method of the SimpleGeometricObject class”. has code in link but also picture of code below https://liveexample.pearsoncmg.com/html/SimpleGeometricObject.htmlCreate a class that represents the grade distribution for a given course. In this class you should write methods to perform the following tasks: Read the number of each of the letter grades A, B, C D and F Set the number of letter grades A, B, C, D and F Return the total number of grades Return the percentage of each letter grade as a whole number between 0 and 100 inclusive Draw a bar graph of the grade distributionThe graph should have five bars, one per grade. Each bar can be a horizontal row of asterisks, such that the number of asterisks in a row is proportionate to the percentage of grades in each category. For example, let on asterisk represent 2%, so 50 asterisks correspond to 100%. Mark the horizontal axis at 10% increments from 0 to 100% and label each line with a letter grade.For example, if the grades are entered as 1A, 4B's, 6C's, 2D's and 1 F, the total number of grades is 14, the percentage of As os 7, the percentage of Bs is 29, the percentage of Cs is 43, the…Create a class that represents the grade distribution for a given course. In this class you should write methods to perform the following tasks: Read the number of each of the letter grades A, B, C D and F Set the number of letter grades A, B, C, D and F Return the total number of grades Return the percentage of each letter grade as a whole number between 0 and 100 inclusive Draw a bar graph of the grade distributionThe graph should have five bars, one per grade. Each bar can be a horizontal row of asterisks, such that the number of asterisks in a row is proportionate to the percentage of grades in each category. For example, let on asterisk represent 2%, so 50 asterisks correspond to 100%. Mark the horizontal axis at 10% increments from 0 to 100% and label each line with a letter grade.For example, if the grades are entered as 1A, 4B's, 6C's, 2D's and 1 F, then the output would look like: 0 10 20 30 40 50 60 70 80 90 100 IIIIIIIIIII **************************************************…