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what are the values returned for foo(4,2) and foo(5,3) respectively?
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- In C++ class rectangleType { public: void setLengthWidth(double x, double y); //Sets the length = x; width = y; void print() const; //Output length and width double area(); //Calculate and return the area of the rectangle (length*width) double perimeter(); //Calculate and return the perimeter (length of outside boundary of the rectangle) private: double length; double width; }; Print out the area of the rectangle.Java Methods Write a program that accepts three strings: first name, last name, age, and nationality. Create an object of the class Person and assign the inputs to their respective attributes. In the class, create a method greeting() that prints the attributes. Inputs 1. Input Cody Chum 20 Filipino Sample Output Enter first name: Cody Enter last name: Chum Enter age: 20 Enter nationality: Filipino Hello, I am Cody Chum, 20 years old and a Filipino!In C++ class rectangleType { public: void setLengthWidth(double x, double y); //Sets the length = x; width = y; void print() const; //Output length and width double area(); //Calculate and return the area of the rectangle (length*width) double perimeter(); //Calculate and return the perimeter (length of outside boundary of the rectangle) private: double length; double width; }; Declare an instance of rectangleType.
- See ERROR in Java file 2: Java file 1: import java.util.Random;import java.util.Scanner; public class Account {// Declare the variablesprivate String customerName;private String accountNumber;private double balance;private int type;private static int numObjects;// constructorpublic Account(String customerName, double balance, int type) { this.customerName = customerName;this.balance = balance;this.type = type;setaccountNumber(); // set account number functionnumObjects += 1;}private void setaccountNumber() // definition of set account number{Random rand = new Random();accountNumber = customerName.substring(0, 3).toUpperCase();accountNumber += type;accountNumber += "#";accountNumber += (rand.nextInt(100) + 100);}// function to makedepositvoid makeDeposit(double amount){if (amount > 0){balance += amount;}}// function for withdrawboolean makeWithdrawal(double amount) {if (amount < balance)balance -= amount;elsereturn false;return true;}public String toString(){return accountNumber +…import java.util.Scanner; public class LabProgram { // Recursive method to draw the triangle public static void drawTriangle(int baseLength, int currentLength) { if (currentLength <= 0) { return; // Base case: stop when currentLength is 0 or negative } // Calculate the number of spaces needed for formatting int spaces = (baseLength - currentLength) / 2; if (currentLength == baseLength) { // If it's the first line, don't output spaces before the first '*' System.out.println(" ".repeat(spaces) + "*".repeat(currentLength)); } else { // Output spaces and asterisks System.out.println(" ".repeat(spaces) + "*".repeat(currentLength)); } // Recursively call drawTriangle with the reduced currentLength drawTriangle(baseLength, currentLength - 2); } public static void drawTriangle(int baseLength) { drawTriangle(baseLength, baseLength); } public…import java.util.Scanner; public class LabProgram { // Recursive method to draw the triangle public static void drawTriangle(int baseLength, int currentLength) { if (currentLength <= 0) { return; // Base case: stop when currentLength is 0 or negative } // Calculate the number of spaces needed for formatting int spaces = (baseLength - currentLength) / 2; if (currentLength == baseLength) { // If it's the first line, don't output spaces before the first '*' System.out.println("*".repeat(currentLength) + " "); } else { // Output spaces and asterisks System.out.println(" ".repeat(spaces) + "*".repeat(currentLength) + " "); } // Recursively call drawTriangle with the reduced currentLength drawTriangle(baseLength, currentLength - 2); } public static void drawTriangle(int baseLength) { drawTriangle(baseLength, baseLength); } public static…
- Rewrite the private static int recurseMax method without using Java API public class Recursion{ public static void main(String[] args){ // My tests (DO NOT MODIFY!) int[] a = {3,2,6,4,15,7,9,8,6}; p(recurseSum(a)); // Sum should be 60 p(recurseMax(a)); // Max should be 15 // End of tests! } // Recursive methods below here... public static int recurseSum(int[] a){ // TODO: This is the wrapper method. You must complete this AND implement helper method int total = recurseSum(a, a.length); return total; } private static int recurseSum(int[] a, int i){ if (i <= 0) return 0; return (recurseSum(a, i - 1) + a[i - 1]); } public static int recurseMax(int[] a){ int max = recurseMax(a, a.length); return max; } private static int recurseMax(int[] a, int i){ if(i == 1) return a[0]; return Math.max(a[i-1], recurseMax(a, i-1)); } //…Use the following methods trash() and takeOut() to answer questions (a) – (d). 1 public void trash (int x) 12 public int takeOut (int a, int b) 2 { int m, n; 13 { int d, e; 3 m = 0; 14 d = 42* a; 4 if (x > 0) 15 if (a > 0) 5 m = 4; 16 e = 2*b+d; 6 if (x > 5) 17 else 7 n = 3*m; 18 e = b+d; 8 else 19 return (e);} 9 n = 4*m; 10 int o = takeOut (m, n); 11 System.out.println ("o is: " + o);} (a) Draw separate graph for each trash() and takeOut() , then show the connection between them at call site, using the line numbers given on graph’s nodes. (b) Determine Caller, Callee, Callsite, Actual parameters and Formal parameters, in table. (c) Give all Coupling DU-pairs of last-defs and first-uses, in table. (d) find the values of m, n, a, d, b, e and o when x = -1 , 3 , 6 , in table.Find the errors in this code: public class TstArray { public static void main(String args[]){ int a[] = {5, 4, 9}; int avg; int total; for(int i=0; i< a.length; i++){ total = 0; total += a[i]; } avg = total/a.length; } }
- 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…In C++ class rectangleType { public: void setLengthWidth(double x, double y); //Sets the length = x; width = y; void print() const; //Output length and width double area(); //Calculate and return the area of the rectangle (length*width) double perimeter(); //Calculate and return the perimeter (length of outside boundary of the rectangle) private: double length; double width; }; Set the length of the rectangle to 24 and the width to 30.public class Turn{public static void main(String[] args){// Different initial values will be used for testingint x = 1; int y = 1; // Turn the arrow by 90 degrees System.out.print("x:", y + 90);System.out.println(x);System.out.print("y: ", x - 1 );System.out.println(y); // Turn the arrow again System.out.print("x:", y - 1);System.out.println(x);System.out.print("y: ",x + 90);System.out.println(y);}}
