Answered: What is the value of x? public class…

What is the value of x? public class Main ( public static void main(String[] args) { int x = 1; if (x > 0) { x + 1; ) Flse if (x >- 1) ( X -- 2; } else ( } System.out.println(x);

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Similar questions

java
Fix all errors to make the code compile and complete. //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 requiredString =…
publia alass Exam { public static void main (String [] args) try What is the output of the following question int data = 25/0; System.out.println(data); } catch (ArithmeticException e) ( System.out.print ("D"); }finally { System.out.print ("F"); System.out.print ("R"); O DFR O 5DFR O 5R 5FR 8. Activate Windo Write anonymous inner class for the button Submit to change its background color to blue
Java Input class main { public static void main(String args[]) { byte x = 64; int i; byte y; i = x << 2; y = (byte) (x << 2) System.out.print(i + " " + y); } } Find output
1- public class MathF{ public static void main(String[] args) 3 {char[] grade%=new char[4]; grade[1]='B'; 5 grade[3]='C'; 6 Integer d1= new Integer(6); Integer d2= new Integer(10); 8 if(d1!= d2){ System.out.println("grades do not match "); System.out.println("Result: "+Math.sqrt(d1+d2)); 11 } 12 else 13- { System.out.println("Marks are same"); 14 for (int i-0;i<4;i++) 15 System.out.println(grade[i]); } 16 }} Answer:
Examine this code and determine what happens when it is run: 1 public class Test { int x; 2 3 public Test(String t){ System.out.println("Test"); } public static void main(String[] args) { Test test = new Test ("boo"); System.out.println(test.x); } 4 5 6 7 8 10 } The program has a compile error because Test does not have a default constructor. The program has a compile error because System.out.println method cannot be invoked from the constructor. ) The program runs successfully and prints out: Test O The program has a compile error because you cannot create an object from the class that defines the object.
public class Course{String name;String dept;int number;public Course (String n, String d, int n){name = n;dept = d;number = n;}public String toString(){return "Course " + name + " in " + dept + " #: " + number;}public static void main (String [] args){Scanner in = new Scanner(System.in);add 10 lines using the scanner and saving them as strings The input for each line will be entered a String, a space, another String, and an int. Parse the input string into those three items and make an instance of Course. Add the new Course instance to a generic ArrayList of Course. print out each Course in the ArrayList.
package citytech.calculator; public class Calculator { public static void main(String[]args) { System.out.println("Basic Calculator"); //declaring variable: //dataType variableName = value ; double num1 = 10.0; double num2 = 30.0; sum(num1, num2); multiply(num1, num2); } public static void sum(double n1, double n2) { double result = n1 + n2; System.out.println("Sum: "+result); } public static void multiply(double n1, double n2) { double result = n1 * n2; System.out.println("Multiply: "+result); } } Question: Please Check the Calculator app and add subtract and division methods
public class main { public static void main(String [] args) { Dog dog1=new Dog(“Spark”,2),dog2=new Dog(“Sammy”,3); swap(dog1, dog2); System.out.println(“dog1 is ”+ dog1); System.out.println(“dog2 is ”+ dog2); } public static void swap(Dog a, Dog b) { String nameA = a.getName(); String nameB = b.getName(); a.setName(nameB); b.setName(nameA); } What is the output of the main()?
public class Test { } public static void main(String[] args) { String str = "Salom"; System.out.println(str.indexOf('t)); }
Java true or false: The method public boolean simpleMethod() { return true; } is a valid mutator?
public class Main { public static void main(String[] args) { System.out.println("Your factorial is: " + factorial(9)); }} public static int factorial(int number) { if (number == 0) { return 1; } return number * factorial(number -1); } i need help fixing this code involving recursion