Computer Sciencejava mcqWhat will be the output of the following code snippet?1 public class qq22(2 public static void main(String as[]){3.qq22 t = new qq22();4.t.method();6 public static void method(){System.out.println("Nul1PointerException");8)9 }O Compilation ErrorRuntimeExceptionO NullPointerExceptionO Garbage value

Answered: Image /qna-images/answer/e05388f2-8ca0-4508-9481-a29c92219222.jpg

What will be the output of the following code snippet? 1 public class qq22{ 2 public static void main(String as[]){ 3 qq22 t- new qq22(); t.method(); 4. 6 public static void method()( 7 System.out.println("NullPointerException"); 9 ) O Compilation Error O RuntimeException O NullPointerException O Garbage value

What will be the output of the following code snippet? 1 public class qq22{ 2 public static void main(String as[]){ 3 qq22 t- new qq22(); t.method(); 4. 6 public static void method()( 7 System.out.println("NullPointerException"); 9 ) O Compilation Error O RuntimeException O NullPointerException O Garbage value

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

using System;using System.Text.RegularExpressions;class chapter8 {static void Main() {string words = "08/14/57 46 02/25/59 45 06/05/85 18" +"03/12/88 16 09/09/90 13";string regExp1 = "(\\s\\d{2}\\s)";MatchCollection matchSet = Regex.Matches(words,regExp1);foreach (Match aMatch in matchSet)Console.WriteLine(aMatch.Groups[0].Captures[0]);}} Now let’s modify this program to search for dates instead of ages, and usea grouping construct to organize the dates. And write the c# code:
This is a debugging question - The files provided in the code editor to the right contain syntax and/or logic errors. In each case, determine and fix the problem, remove all syntax and coding errors, and run the program to ensure it works properly. Code - // This class determines the logarithm of a number public class DebugTwelve1 { public static void main(String[] args) throws ArithmeticException { double num = -8.8, result. try { if(num <= 0) throw(new ArithmeticException()); result = Math.log(num); System.out.println("Result is " + result); } catch() { System.out.println("Can't take logarithm for value of zero or lower"); } } }
Contoh Dalam pemrograman java: class Introduction { public static void main(String args[ ]) { byte x=50.5; System.out.println("Nilai dari variabel x= "+x)3; } ERROR MENGAPA???
I have the following code: import java.util.*; import java.io.*; public class GradeBook { publicstaticvoidmain(String[] args)throwsIOException{ // TODO Auto-generated method stub File infile =newFile("students.dat"); Scanner in =newScanner(infile); while(in.hasNext()){ // Read information form file and create a student object and print String name = in.nextLine(); Student student =newStudent(name, in.nextLine()); for(int i =1; i <=4;++i){ student.setQuiz(i, in.nextInt()); } student.setMidtrmExm(in.nextInt()); student.setFinalExm(in.nextInt()); in.nextLine(); // Calculate grade and letter grade; double overallQuizScore=0.0,score=0.0; for(int i=1;i<=student.NUM_QUIZZES;i++) { overallQuizScore+=(student.getQuiz(i)/student.QUIZ_MAX_POINTS)*100; } overallQuizScore = (overallQuizScore/4)*0.30; score =…
(3) public static void test_b(int n) { if (n>0) test_b(n-2); System.out.println(n + " "); Consider the following method: What is printed by the call test_b(4)? A. 0 2 4 B. 0 2 C. 2 4 D. 4 2 E. 4 20 3 (4) What is the efficacy class of +? n 3 A: ©(1) B: O (log n) C: O (n) D: O (n log n) E: Θ n)
In Java,thank you.
Need dry run for given main file code. Main file: MultiItemSaleTest.java public class MultiItemSaleTest { public static void main(String[] args) { Sale s1 = new Sale("Water mug", 100.00); Sale s2 = new Sale("holder", 15.90); Sale s3 = new Sale("Gauge", 9.10); DiscountSale ds1 = new DiscountSale("Water Paint, 7.50, 10); DiscountSale ds2 = new DiscountSale("Cleaner", 25.90, 12); DiscountSale ds3 = new DiscountSale("Plant", 15, 9); DiscountSale ds4= new DiscountSale("Brush", 17.0, 0); MultiItemSale multiSales = new MultiItemSale(); multiSales.addSale(s1); multiSales.addSale(s2); multiSales.addSale(s3); multiSales.addSale(ds1); multiSales.addSale(ds2); multiSales.addSale(ds3); multiSales.addSale(ds4); System.out.println(multiSales); } }
Java Script
Help me fix the code make it run out like the EXPE
Complete the code and make it run sucessful by fixing errors//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 =…
How do I code: public static void rotateElements(int[] arr, int rotationCount) public static void reverseArray(int[] arr) In Java?
java