Java question: Please use words to describe exactly how the computer process doSomething(3) public void doSomething(int n){ if (n > 0){ doSomething(n - 1); System.out.print(n); doSomething(n - 1); } }

preLabC.java 1 import java.util.Random; 2 import java.util.StringJoiner; 3 4 public class preLabC { 5 6- 7 8 9 10 11 12 13 ~45608192023 Y 17 23 } public static int myMethod(MathVector inputVector) { int valueAt5th Position -100000; // default value for integer System.out.println("here is the contents object, inputVector: + inputVector); // extract the value at the fifth position of the array in the object // Remember: the count starts at 0. So the 5th position has an in } System.out.println("This is the value at position 5: // return the integer value found at position 5 of the return valueAt5thPosition; of 4. + valueAt5thPosition); array.. Description A MathVector object will be passed to your method. Return the 5th element inside of that object. If you look in the file MathVector.java you'll see there is a way to extract the value of one element in the array contained inside a MathVector object: /** * Returns the element at the specified index. * * @param index the index of the...

import java.util.Scanner;/** This program computes the time required to double an investment with an annual contribution.*/public class DoubleInvestment{ public static void main(String[] args) { final double RATE = 5; final double INITIAL_BALANCE = 10000; final double TARGET = 2 * INITIAL_BALANCE; Scanner in = new Scanner(System.in); System.out.print("Annual contribution: "); double contribution = in.nextDouble(); double balance = INITIAL_BALANCE; int year = 0; // TODO: Add annual contribution, but not in year 0 do { year++; double interest = balance*(RATE/100); balance = (balance+contribution+interest); } while(balance< TARGET); System.out.println("Year: " + year); System.out.printf("Balance: %.2f%n", balance); }}

Fix all logic and syntax errors. Results Circle statistics area is 498.75924968391547 diameter is 25.2 // Some circle statistics public class DebugFour2 { public static void main(String args[]) { double radius = 12.6; System.out.println("Circle statistics"); double area = java.Math.PI * radius * radius; System.out.println("area is " + area); double diameter = 2 - radius; System.out.println("diameter is + diameter); } }

1 public class Main { 1234567 7 8 9 10 11 ENERGET 12 13 14 15 16 17 18} public static void main(String[] args) { String present = ""; double r = Math.random(); // between 0 and 1 if (r>>>

public static int countIt (int n) { int count = 0; for (int i = n; i > 0; i /= 2) for (int j = 0; j < 10; j++) count += 1; return count; } Big-O notation: Explanation:

Code 16-1 /** This class has a recursive method. */ public class EndlessRecursion { public static void message() { System.out.println("This is a recursive method."); message(); } } Code 16.2 /** This class has a recursive method message, which displays a message n times. */ public class Recursive { public static void messge (int n) { if (n>0) { System.out.println (" This is a recursive method."); message(n-1); } } } Task #1 Tracing Recursive Methods 1. Copy the file Recursion.java (see Code Listing 16.1) from the Student Files or as directed by your instructor. 2. Run the program to confirm that the generated answer is correct. Modify the factorial method in the following ways: a. Add these lines above the first if statement: int temp; System.out.println("Method call -- " + "calculating " + "Factorial of: " + n); Copyright © 2019 Pearson Education, Inc., Hoboken NJ b. Remove this line in the recursive section at the end of the method: return...

public class Qla { Run | Debug public static void main (String [] args) { int n = 1000; int mySum 0; %3D for (int i = n; i>= 0; i--) { %3D if (i % 2 == 0) { mySum += i; } } Stdout.println(mySum);

JAVA CODE: check output

Question 37 public static void main(String[] args) { Dog[] dogs = { new Dog(), new Dog()}; for(int i = 0; i>>"+decision()); } class Counter { private static int count; public static void inc() { count++;} public static int getCount() {return count;} } class Dog extends Counter{ public Dog(){} public void wo(){inc();} } class Cat extends Counter{ public Cat(){} public void me(){inc();} } The Correct answer: Nothing is output O 2 woofs and 5 mews O 2 woofs and 3 mews O 5 woofs and 5 mews O

//Assignment 06 */public static void main[](String[] args) { String pass= "ICS 111"; System.out.printIn(valPassword(pass));} /* public static boolean valPassword(String password){ if(password.length() > 6) { if(checkPass(password) { return true; } else { return false; } }else System.out.print("Too small"); return false;} public static boolean checkPass (String password){ boolean hasNum=false; boolean hasCap = false; boolean hasLow = false; char c; for(int i = 0; i < password.length(); i++) { c = password.charAt(1); if(Character.isDigit(c)); { hasNum = true; } else if(Character.isUpperCase(c)) { hasCap = true; } else if(Character.isLowerCase(c)) { hasLow = true; } } return true; { return false; } }

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:...

* CENGAGE MINDTAP Programming Exercise 3-6 Instructions BookstoreCredit.java + 1 import java.util.Scanner; 2 public class BookstoreCredit { To encourage good grades, Hermosa High School has decided to public static void main (String args[]) { // Write your code here 3 award each student a bookstore credit that is 10 times the student's 4 grade point average. 5 } 6 public static void computeDiscount(String name, double gpa) { // Write your code here } In other words, a student with a 3.2 grade point average receives a 8 32ドル.0 credit. 10 Create an application that prompts a student for a name and grade 11 } point average, and then passes the values to a method ( 12 computeDiscount ) that displays a descriptive message. The message uses the student's name, echoes the grade point average, and computes and displays the credit. An example of the program is shown below: Enter your name>> John Enter your gpa>>3.4 John, your GPA is 3.4, so your credit is 34ドル.0 Grading Write your Java code in...