The following class definition has errors. Explain what is wrong and why. Rewrite a correct version of the class. class Question2{ public static main(String] args){ int num1 = 10, num2 - 20, num3; (num2 / 2)- num3 = (num1 + num2)/num3 System.out.printin( num3 );

The following class definition has errors. Explain what is wrong and why. Rewrite a correct version of the class. class Question2{ public static main(String] args){ int num1 = 10, num2 - 20, num3; (num2 / 2)- num3 = (num1 + num2)/num3 System.out.printin( num3 );

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

Related questions

Q: public class Test { public static void main(String[] args) { 13; while (n <= 5) { method1(n); int n…

A: In the following steps, the input, output and the code screenshot along with the output has been…

Q: Use Java program to add a method printReceipt to the CashRegister class. The method should print the…

A: Please find the code below

Q: public class Test { public static void main(String[] args) { int arr[] = {1,2,3,4,5}; int count = 0;…

A: The program is to double the even elements in an array.

Q: Define a new "Degree" class that contains a year (integer), a subject (string) and a person's name…

A: Hey there, I am writing the required solution based on the above stated question. First, I will…

Q: Will the code compile? If yes, determine the output. If no, state why. class Pet { public Pet(int…

A: Please find the program and the reason for the error in step 2.

Q: write easy java program. Make a class Employee with a name and salary. Make a class Manager…

A: Code is in step 2 and output in step 3 Programming instructions: Create a class Employee. In the…

Q: public class output{ public static int find (int a1, int a2) if(al==0) return(al+1); else if(a1>0 &&…

A: Explanation:- 1. Initially both a1 and a2 value is 2. 2. Then the else condition will be hit for the…

Q: (this is question1) public abstract class Shape { public Shape() { } public abstract…

A: Here we have an abstract class shape that has an abstract method and one method that returns the…

Q: Given the following class: public class Greetings { public void writeGreeting (String str) {…

A: In the class "showGreeting", the object "gt" should be initialized. Otherwise it shows the error.…

Q: Observe the classes given below. Choose the option that gives a compile error. class One { class Two…

A: Two obj = new One(); , Option 3rd will give the compilation error because One is super class and…

Q: Given the following code segments: class Programme{ b) private String name; private static int…

A: To Do: To write the above class in better design and pattern.

Q: What is the output of the following code with explanation:- class Teacher { public…

A: class Teacher { public Teacher() { System.out.println("Teacher class…

Q: 1. class out put { 2. public static void main(String args []) 3. 4. double a, b,c; 5. 3.0/0; %3D 6.…

A: The java program is

Q: Dry run the below programs and explain the reasons of output. If there is any error then correct…

A: EXPLANATION class access{ public int x; static int y; // all static variables are common for all…

Q: Evaluate the JAVA code snippet below, then motivate why this is representative of good programming…

A: Good programming practices: The given code snippet is not an example of good programming practice…

Q: public class output{ public static int find (int a1, int a2) { if(a1==0) return(a1+1); else if(a1>0…

A: There is a class output in which two method are there find and main. Find method is recursively…

Q: Intellij - Java Program 1: Write a program which does the following: Create a class with the…

A: According to our guidelines we can answer only one question at a time if you want answer of an other…

Q: 8.Write a static method recReplace that takes a String str, a String sub1, and a String sub2 as…

A: //Coding import java.util.Scanner;public class Main{//here the main program starts/**/public static…

Q: public class GraduateStudent extends Student{ public int a ge; eoverride public String toString () {…

A: output in line number 20 and 21 for the above java code

Q: Q#1: Write the Class for Circle. Read the following code and create the attributes, method,…

A: Define the class Circle as follows: It contains a private data member for storing the radius. It…

Q: Predict the output of the following code: public class MyClass extends Test { public static void…

A: working: The code is used to print the value of the method num() present in the classes Test and…

Q: What does the following code print out? class Main { public static void main (String[] args) { int…

A: c) 17

Q: What is the result of running this code. As always, explaining what is happening allows me to give…

A: There is one java program given, public class HelloWorld{ public static void main(String…

Q: Implement the following class and test its methods: Fraction - numerator. int - denominator. int +…

A: Created 2 versions of the program. 1st version takes input from the user and 2nd version doesn't…

Q: (d) Complete the following code by writing the constructor and toString method in Sub class to print…

A: Provided the Rewritten code for both of the above given questions where highlighted part represents…

Q: 1) Implement the class Doctor: a) The name could be composed from more than one word. b) The…

A: Given, One class doctor. There all are private variables. create some getter and setter method and…

Q: what is the output of the following codes : code 1. class A { {…

A: code1: //lets trace the code for outputclass A { { System.out.print(1);//this prints 1…

Q: Question public class MyProgram ( if (h 30) system.out.print("Evening"); t = t + 5;…

A: I have provided the answer based on java Programming. Detailed comments are included for a better…

Q: public class EscapeSequences { public static void main( String args[] ) { // Add a tab between…

A: Code public class EscapeSequences { public static void main(String args[]){ System.out.println("He…

Q: Write a recursive method that converts a positive decimal number to into a binary number as a…

A: Program in Java: import java.util.*; import java.lang.*; import java.io.*; class DecimalToBinary {…

Q: 1. What will be the output of the code below? class Animal ( void walk() ( 3 220 | INTEGRATIVE…

A: The output of the above code are:

Q: Write a java program as shown in the following UML class diagram:(read the details below) Name…

A: The UML Diagram of class Name consists of: Data members(private): first, initial, last Constructor:…

Q: Implement the design of the Patient class

A: Given :- In the above question, the statement is mention in the above given question Need to…

Q: ng method must return all the degree information: year, subject and person’s name in the following…

A: Here is C++ program:

Q: 2. Given the Baby class below: public Class Baby { String name; int birthWeight; } Write an equals…

A: class Baby { public : string name; int birthWeight; };

Q: 1 class Metov{ 2- void sum(int i,int j){ 3 System.out.printin(i); } 4 void sum(String c,String d){ 5…

A: I have given an answer in step 2.

Q: For the following code, which statements are NOT true? public class Person { private double weight;…

A: Required:

Q: Find the error(s) in the following class definition: public class Circle { private double radius;…

A: Ans: The error in the following class definition is that in the get and the set function the get…

Q: For the code below: public class College extends Student { public static void main(String[ ] args)…

A: 1- Constructor Chaining:

Q: Debug this program to create the desired result attached in the picture. public class Library { //…

A: Here I have defined a static class named Book with one data member and constructor inside the class…

Q: Problem 4) Suppose the following Course class is given: public class Course { private String…

A: If the evaluation of a logical expression exits even before the complete evaluation is done, it is…

Q: Home Task: 1. Implement the following class and test its methods: Fraction - numerator: int -…

A: Code In Java:…

Q: Trace through the following program and Show the Ol public class Employee { private static int empID…

A: public class Employee{ private static int empID = 11111; private String name, position;…

Q: public class A extends C { public void method1() { System.out.print("a1 "); } public String…

A: The above program is a program of inheritance in java. Inheritance is an object-oriented programming…

Q: identify the errors in the following class and how it can be fixed public class Test { public static…

A: This code looks very good as it doesn't have any syntax errors But the only error is x and y are…

Q: Explain the following Java Polymorphism code in details. class Shape { public double getArea() {…

A: Lets see the solution.

Q: JAVA Create a class called Quadratic for representing a one-variable quadratic expression of the…

A: A quadratic equation is in the form of the a×x2+b×x+c=0 Where a,b, and c are the coefficients of the…

Q: public class F { private boolean x; public static void main (String[] args) { Ff = newF ();…

A: Since no information is given about whether these two classes belong to same java filer different…

Q: public class P2 { public static void main(String[] args) { int[][] a2 = new int[3][3]; for (int i=0;…

A: According to the information given:- We have to compile this code and find out its output.

Q: Q4) Write the output of the following code segment public class CarStatic { public static void main…

A: In the above program, getInfo() is non static method. But we call that method using Class name.

Question

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.

Similar questions

JAVA Language Caesar Shift Question: Modify the Caesar class so that it will allow various sized shifts to be used, instead of just a shift of size 3. (Hint: Use an instance variable in the Caesar class to represent the shift, add a constructor to set it, and change the encode method to use it.) import java.util.*; public class TestCipher { public static void main(String[] args) { int shift = 7; Caesar caesar = new Caesar(); String text = "hello world"; String encryptTxt = caesar.encrypt(text); System.out.println(text + " encrypted with shift " + shift + " is " + encryptTxt); } } abstract class Cipher { public String encrypt(String s) { StringBuffer result = new StringBuffer(""); // Use a StringBuffer StringTokenizer words = new StringTokenizer(s); // Break s into its words while (words.hasMoreTokens()) { // For each word in s…
public class test{ private static final int MAX = 100; private int[] sco; public test(int[] sco){ this.sco = sco; } private int comAvg() throws IllegalArgumentException{ int sum = 0; for (int i = 0; i < sco.length; i++){ int sc = sco[i]; if (sc < 0 || sc > MAX){ throw new IllegalArgumentException("Score (" + sc + ") is not in the range 0-" + MAX); } sum += sco[i]; } int av = sum / sco.length; return av; } public static void main(String[] args){ test test = new test(new int[] { 50, 70, 81 }); try{ int avgSc = test.comAvg(); char letG; if (avgSc < 60) letG = 'F'; else if (avgSc < 70) letG = 'D'; else if (avgSc < 80) letG = 'C'; else if (avgSc < 90) letG = 'B'; else letG = 'A'; System.out.println("\nAVG Score is " +…
This class contains a number of syntax and semantic errors.Your job is to find them all. public Class DebugMe{ public static void main(String args[]){ printSums(args); compareBoxes(); } //This function is designed to print the sums of all numbers between 1 and the //first number entered as an argument to DebugMe //For example, if you enter: DebugMe 3 //You should get: // The sum of the first 1 numbers is 1. // The sum of the first 2 numbers is 3. // The sum of the first 3 numbers is 6. public static void printSums(String[] args){ { int count; count = Integer.parseInt(args); for (i = 1 ; i <= count ; i++); { int sum = 0; int i = 0; sum += i - 1; System.out.println("The sum of the first " + i + " numbers is " + sum + "."); } } //This function demonstrates the use of the Box class //DO NOT change anything in this function //use it to…
class class { public static void main(String args[]) { int a =5; int b =10; first: { second: { third: { if(a == b >>1) break second; } System.out.println(a); } System.out.println(b); } } } Give result for the code Java Try to do ASAP
2- Trace the following code and write the output: class Test1 { Test1(int x) { System.out.println("Test Calls " + x); class Test2 { Testi t1 = new Test1(10); Test2(int i) { t1 = new Test1(i); } public static void main(String[] args) { Test2 t2 = new Test2(5);
complete the missing code. public class Exercise09_04Extra { public static void main(String[] args) { SimpleTime time = new SimpleTime(); time.hour = 2; time.minute = 3; time.second = 4; System.out.println("Hour: " + time.hour + " Minute: " + time.minute + " Second: " + time.second); } } class SimpleTime { // Complete the code to declare the data fields hour, // minute, and second of the int type }
PROBLEM STATEMENT: An anagram is a word that has been rearranged from another word, check tosee if the second word is a rearrangement of the first word. public class AnagramComputation{public static boolean solution(String word1, String word2){// ↓↓↓↓ your code goes here ↓↓↓↓return true;}} Can you help me with this java question the language is java please use the code I gave
Take a look at the class declaration below: package p1; class Test8{ package p2; import p1.Test8; package p3; import p1.Test8; import p2.Test9; int i; class Test9 extends Test8 { private int j; protected int k; public int I; } class TestDemo3{ public static void main(String args[]){ Test8 t8 = new Test8(); Test9 t9 = new Test9(); } Out of these 4 variables declared in Test8, which are accessible in Test9 directly and by creating Test8 reference? In TestDemo3 main function, which variables can be used by each of the references t8 and t9?
} } 1-What will happen when you compile and run the following code? Public class test ( Public static void main (string[] arg) { } Int i=0; For (i=100; iM
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?
mport java.util.Scanner; public class ParkingCharges { // function to calculate the basic charge using the asked hours static double getBasicCharge(int hours) { if (hours >= 7 && hours <= 8) return 5.50; else if (hours >= 5 && hours <= 6) return 4.50; else if (hours >= 2 && hours <= 4) return 4.00; return 3.00; } // function to return the amount to subtract based on local living and OAP static double getDiscount(String isLocal, String isOAP) { if (isOAP.equals("Yes") && isLocal.equals("Yes")) return 2.0 + 1.0; else if (isOAP.equals("Yes")) return 2.0; else if (isLocal.equals("Yes")) return 1.0; return 0; } public static void main(String[] args) { // create a new Scanner object Scanner sc = new Scanner(System.in); // prompt the user to ask if they are disabled…
public class MyOutput { public static void main(String[] args) { int totalNumbers=6; Double dblAverage=4.5; Integer yourNumber= new Integer (20); int result=yourNumber+88; String myMessage="Exam"; System.out.println(totalNumbers+dblAverage+myMessage+result); }