2. Keep only the last three lines of a file and delete others. If there are less than three lines in the file, keep all the lines. Sample Input file Output file linel line4 line2 line5 line3 line6 line4 line5 line6

Q: Given the following Java code, complete the method highestValues. The highestValues method should…

A: In the provided Java code, the task was to complete the highestValue method, which is responsible…

Q: Java used to be a hybrid implementation but thanks to JIT compilation, not anymore. True False

A: Yes the above-given statement is true as: Java is Hybrid Language i.e. it is both Compiled(work done…

Q: Note: Solve each question as a method. Write a java class called method and three other methods…

A: I give code that involves all three methods in Java along with output and code screenshots

Q: I need help with this Java problem to output as it's explained in this image below:

A: The objective of the question is to identify the correct dequeue algorithm for a Queue implemented…

Q: Note: Math.PI is a static constant from the Math class. Math.tan() is a static method in the Math…

A: In the RegularPolygon class, private fields are:        - n: int (side number)        Side: twofold…

Q: Input Format The first line of input contains a positive integer T denoting the number of test cases…

A: We need to write a Java code for the given scenario.

Q: 1. Problem 1: Find two non-zero roots of the equation sin(z) - z²+1/2 = 0 Explain how many decimal…

A: We first define the function f(x) that represents the given equation sin(x) - x**2 + 0.5. We define…

Q: Solve the question in java and please don't plagaraise or copy from other sources do what in the…

A: In this question we have to write a JAVA Program to find the first 10 square numbers that are…

Q: You are to write a set of test cases which will test a static method which should say whether a…

A: The file will have 4 cases to check the isPalindrome() function.   Algorithm for function to read…

Q: Please implement a Pop() operation on a stack in Java. 1. The program should read in 18 different…

A: Ans:)  Please follow the given instructions carefully: There are 3 main files in this project:…

Q: Flowchart for the numbered New York City streets problem.e Program: Determine the direction of a…

A: The java code of the given algorithm/flowchart is given below:

Q: A potluck starts out with 45 cookies. Then, numCookies is read from input representing the number of…

A: To write Java code for:A potluck starts out with 45 cookies. Then, numCookies is read from input…

Q: 38 39 } CodeCheck public public static double [] makeAverage (double [] testl, double[] test2) } //…

A:

Q: Write a program that prompts the user to enter a positive integer and obtains its square root in…

A: Given data is shown below:

Q: Lab 15.1 Greatest Common Divisor A formula for finding the greatest common divisor (GCD) of two…

A: method gcd(int a, int b)// takes two integers as parameters and return the gcd of both if (b ==0 )…

Q: For some reason, my code seems to always output an error in the Java Compiler. I am not sure what's…

A: After declaring class address you have imported the util.Scanner again in the code.

Q: Write a program that repeatedly reads in integers untila negative integer is read. The program also…

A: 1) Below is Java program that repeatedly reads in integer until negative integer is read. It track…

Q: Given sphereRadius, compute the volume of a sphere and assign sphereVolume with the result. Use…

A: For calculating The volume of sphere Formula is  = (4.0/3.0) *  π * r3  For PI value, there is…

Q: help me with this program in J

A: Here is an example of how you can modify the RationalNumber class to implement the Comparable…

Q: Create the following GUI. You do not have to provide any functionality ColorSelect RED Hackground…

A: Solution:   I created the mentioned GUI using Java and also attached the complete code and Output…

Q: The Fibonacci numbers begin with 1 and 1 and have the property that each subsequent number is the…

A: Answer: Code in java:- class Fibonacci {  public static void main(String[] args) {     int n = 100,…

Q: In a queue, a dequeue operation always removes a random the front the back the middle element.

A: Queue is linear set of different data types in specific order to perform operation. It follows First…

Q: P2: Write a class Item that stores information about an object in a store. It should have variables…

A: // Item class defintion public class Item {     // private data members     private String name;…

Q: I need help with this Java problem to output as it's explained in this image below:

A: The question is asking about the method in Java that is used to prepend, or add an element to the…

Q: HASHMAP 1. Build a Java application that makes the following association for colors: 1 Red 2 Green з…

A: Algorithm: Start Create a hashmap named map with given data Print the size of hashmap Copy all the…

Q: Write a class called Pet, that has two String instance variables, called name and voice. The class…

A: Pet(String name, String voice) // is a constructor   method speak()// it is a default method  loop…

Q: 1. Output reversed words for each lines of a file to another file. Sample Input file Output file…

A: Answer is given below-

Q: Please type in the Text Area. Note: Clicking on the buttons will NOT input text. Use your keyboard.…

A: public class Main {    public static void main(String[] args) throws Exception {…

Q: You have been asked to produce a report for a hardware store The name for each item is widget with…

A: SOLUTION-I have solved this problem in Java code with comments and screenshot for easy understanding…

Q: 1248 16 32 64 128 256 class recursiveFunc { static void number(int num) { } } if(num>256) { return;…

A: Recursive function:- A recursive function is a programming construct that executes by referencing…

Q: USE JAVA  and see the example output, please be as precise as possible

A: Please upvote me please. I need it badly Please.   java code :   import java.util.Scanner; public…

Q: You are to write a set of test cases which will test a static method which should say whether a…

A: Required: Here you don't need to provide the code for the program. it is just asking you to create…

Q: Create one java program that does the following: • Create a main class • Declare a total of 5…

A: Create a class named Main, and then declare a variable with the specified types totally of 5…

Q: Exercise 2 - Even Number Sums Make a new class in the Lab3 project called EvenNumSum that reads an…

A: Write a Java program that will take an integer an input and then display the sum of even numbers…

Q: our puts the better chance you have of pleasing you

A: The code is provided below as,

Q: Print prime no Program in java?

A: Take an integer n from user using Scanner If integer is 1 or 0, print not a prime. If number > 1,…

Q: Java Programming, Question 2 a and b.I get this one error message in this problem. Not sure how to…

A: In the above there is error in the declaration of variables

Q: 6) Class Circle is a subclass of Shape class; and the Circle class has one attribute for the radius…

A: public class Shape {    private String color;        public Shape(String color) {        this.color…

Q: 02) Design and implement a class named Triangle that extends GeometricObject. Theclass contains: •…

A: Algorithm: Start Create an abstract class named GeometricObject with data members color and filled…

Q: Part 1: You have been hired by a retro game shop to develop a digital inventory system for their…

A: As it is instructed that there is no need to create the driver class for part 1 so, I am not…

Q: (Count the occurrences of words in a text file) Rewrite Listing 21.9 to read the text from a text…

A: Below is the complete solution with explanation in detail for the given question about printing the…

Q: Please use Java.

A: Program :-   import java.util.Scanner;class Simple {      public static void main(String args[]){…

Q: Your task is to write a program for a simple number-guessing game. It should generate a natural…

A: The below program implements a simple number-guessing game. The program generates a random number…

Linux

An operating system (OS) is the software which manages hardware and resources, like CPU, storage and memory. The OS bridges the applications and hardware and makes the connections between all of your software and the hardware resources.