With given myCount() below, answer following questi 1. What is output when myCount(1) is invoked? 2. What is output when myCount(-1) is invoked? public static void myCount(int num) { if (num <= -4) { System.out.print("Hello! "); } else ( } System.out.print (num + "; "); myCount (num 2);
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- Java: ShowStudent.java: class ShowStudent { public static void main (String args[]) { Student pupil = new Student(); pupil.setIdNumber(234); pupil.setPoints(47); pupil.setHours(15); pupil.showIdNumber(); pupil.showPoints(); pupil.showHours(); System.out.println("The grade point average is " + pupil.getGradePoint()); } } ShowStudent2.java: class ShowStudent2 { public static void main (String args[]) { Student pupil = new Student(); pupil.showIdNumber(); pupil.showPoints(); pupil.showHours(); System.out.println("The grade point average is " + pupil.getGradePoint()); } } Student.java: class Student { // the private data members private int idNumber; private int hours; private int points; // Constructor added in part c Student() { } // end of constructor added in part c // the public get and set methods public void…Print "userNum1 is negative." if userNum1 is less than 0. End with newline. Assign userNum2 with 4 if userNum2 is greater than 9. Otherwise, print "userNum2 is less than or equal to 9.". End with newline. 1 import java.util.Scanner; 2 public class UserNums { public static void main (String [] args) { int userNum1; int userNum2; 4 6. 7 Scanner input userNum1 = 8. = new Scanner(System.in); input.nextInt(); input.nextInt(); 9. 10 userNum2 11 12 V* Your code goes here */ 13 System.out.println("userNum2 is " } 14 + userNum2); 15 16 17 }Analyze the following code. public class Test { public static void main(String[] args){ System.out.printlin( m(2) ); public static int m( int num ) { return num; } public static void m( int num ) { System.out.printin( num ); } The program has a compile error because the second m method is def method. The program runs and prints 2 once.
- public static void printIt(int value) { if(value 0) { } System.out.println("Play a paladin"); System.out.println("Play a white mage"); }else { } }else if (value < 15) { System.out.println("Play a black mage"); System.out.println("Play a monk"); } else { public static void main(String[] args) { printit (5); printit (10); printit (15); Play a black mage Play a white mage (nothing/they are all printed) Play a paladin Play a monk7 public static int test1(int x1, int x2){ 8 9 if(x1==0){ 10 x1=10; 11 } 12 if(x2==0){ 13 x2=10 14 } 15 16 return x1*x2; 17 } 18 19 public static int test2(int x2, int x1){ 20 return x2-x1; 21 } 22 public static int input(){ //Don’t need to trace through //this method to show how it works. Just assume it pulls //the value for the user. 23 Scanner keyboard = new Scanner(new BufferedReader(new InputStreamReader(System.in))); 24 int counter=0; 25 System.out.print("Please enter an integer: "); 26 while(counter<3 && !keyboard.hasNextInt()) 27 { 28 System.out.println(); 29 String temp=keyboard.next(); 30 System.out.println(temp+" is not an integer. Please reenter an integer."); 31 counter++; 32 33 } 34 return keyboard.nextInt(); 35 } 36 37 38…class Param3 { public int x; private void increase(int p) { x = x*p; } public void calculateX(int y) { increase(y); } public int getX() { return x; } } // in another class Param3 q3 = new Param3(); q3.x = 5; q3.calculateX(7); System.out.println(q3.getX()); what would be the answer for the last two lines ? also above were x = x*p do both x in here are the fields? wouldn't that be cnofusing?
- 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); } }Please take look at this java code and help me complete this code to compile together. //MainValidatorA3 public class MainA3 { public static void main(String[] args) { System.out.println("Welcome to the Validation Tester application"); // Int Test System.out.println("Int Test"); ValidatorNumeric intValidator = new ValidatorNumeric("Enter an integer between -100 and 100: ", -100, 100); int num = intValidator.getIntWithinRange(); System.out.println("You entered: " + num + "\n"); // Double Test System.out.println("Double Test"); ValidatorNumeric doubleValidator = new ValidatorNumeric("Enter a double value: "); double dbl = doubleValidator.getDoubleWithinRange(); System.out.println("You entered: " + dbl + "\n"); // Required String Test System.out.println("Required String Test:"); ValidatorString stringValidator = new ValidatorString("Enter a required string: "); String…10. public static void methodl (int i, int num) { for (int j = 1; j <= i; j++) { " "); System.out.print (num + num *= 2; } System.out.println(); } public static void main(String[] args) { int i = 1; while (i <= 6) { methodl (i, 2); i++; }
- Write the flowchart of this code import java.io.*;import java.util.Scanner;public class StudentGrades {public static void main(String args[]) {Scanner sc = new Scanner(System.in);System.out.println("Enter Quiz grade for 30:");float quiz = sc.nextInt();System.out.println("Enter Requirement grade for 20:");float requirement = sc.nextInt();System.out.println("Enter major exam grade for 50:");float major = sc.nextInt();float average = ((quiz + requirement + major)/100 ) * 100;System.out.println("The Average Grade: "+average);char grade; if(average>=80){grade = 'A';}else if(average>=60 && average<80){grade = 'B';}else if(average>=40 && average<60){grade = 'C';}else {grade = 'D';} System.out.println("The Rating is: " + grade);}}import javax.swing.JOptionPane; public class Mileage { public static void main(String[] args) { String inputString; double miles; double gallons; double mpg; inputString= JOptionPane.showInputDialog("This program will calculate mileage"); miles =Double.parseDouble(inputString); inputString= JOptionPane.showInputDialog("Enter amount of miles driven:"); gallons =Double.parseDouble(inputString); mpg= (miles/gallons); JOptionPane.showMessageDialog(null, "Miles per gallon: "+ mpg); System.exit(0); }} hi, I will like to know how can I display the result "mpg", but with 2 decimals? What or how should I add to my code? Also how would you explain your addition in pseudo-code?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); }}