Which of the following statement best describe throw and throws? throw used in the method signature to indicate that this method may throw mentioned exceptions while throws is super class of errors and exceptions in Java O b. throw is keyword in Java which is used to throw an exception manually while throws is static method to include error message execution O . throw used in the method signature to indicate that this method may throw mentioned exceptions while throws is keyword in Java which is used to throw an exception manually Od. throw is keyword in Java which is used to throw an exception manually while throws used in the method signature to indicate that this method may throw mentioned exceptions O e. throw is super class of errors and exceptions in Java while throws is used in the method signature to indicate that this method may throw mentioned exceptions Clear my choice

Which of the following statement best describe throw and throws? throw used in the method signature to indicate that this method may throw mentioned exceptions while throws is super class of errors and exceptions in Java O b. throw is keyword in Java which is used to throw an exception manually while throws is static method to include error message execution O . throw used in the method signature to indicate that this method may throw mentioned exceptions while throws is keyword in Java which is used to throw an exception manually Od. throw is keyword in Java which is used to throw an exception manually while throws used in the method signature to indicate that this method may throw mentioned exceptions O e. throw is super class of errors and exceptions in Java while throws is used in the method signature to indicate that this method may throw mentioned exceptions Clear my choice

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

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5. Declare a class called coordinate. This is to represent 3 dimensional Cartesian coordinates (x, y and z).Define the following methods cumulatively in Java cumulatively:a. Constructorb. Display, to print values of membersc. Add_coordinates, to add three such coordinate objects to produce a resultant coordinate object.Generate and handle exceptions if x, y and z coordinate of the result are zero.d. Main, to show use of the above methods.
Assume you are considering writing a method and are deciding what should happen when given input that is outside of perfect input. Which of the following is not a way to handle this? Group of answer choices 1. Use better JUnit testing 2. Throw an exception 3. Try to reasonably auto-correct 4. Prevent the error
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-Modify your parameter constructors to call your set methods. This will cause validation of the parameter.-Create an exception class named TractorException.-Modify your setters to throw TractorException if invalid values are passed in. You may also need to add a throws clause to your parameter constructors. This way we will not have any print methods in our Tractor object defining class-Modify your main method to try and catch exceptions. It should catch TractorExceptions and general Exceptions and display an appropriate message import java.util.*; class TestException { public static void main(String s[]) { Scanner scanner = new Scanner(System.in); boolean valid=false; // validation loop while (!valid) { try { System.out.println("Enter integer:"); int number = scanner.nextInt(); // may throw an exception System.out.println("You entered "+ number); valid=true;…
Create a java program that calculates a five(5) grades of five(5) students and handles exceptions. It reads the data from a file and writes the output to a file. Send a copy of the following: Softcopy of the running code Screenshot of input file and output file Screenshot of the code The file should follow this format and style, exception handling !
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Programming Problem 1 – CycleThrowTryCatch Revisit the Cycle class in Module 3. Modify your application such that the properties, numberOfWheels and weightare entered as double values interactively (at the keyboard). Exception handling will be used to determine whether a type mismatch occurs. Edit your application such that, in addition to [A], the values for numberOfWheels and weight, entered interactively, will throw a new exception “Values cannot be less than or equal to zero” only If the values are less than or equal to zero. Add or use the appropriate try and/or catch blocks. Directions Examine your application for the class called Cycle. Add Try and Catch blocks appropriately. Add the throw statement for the new exception. Display an appropriate message if an exception occurs. Display the properties of the object.
Which of the following correctly describes the functionality of the throw statement? Choose an answer A The throw statement contains the segment of code that may cause an error in a program B A throw statement is used to catch errors C The throw statement is used to send the exception object out of the block so that it is handled somewhere else in the program. D The throw statement holds the segment of code that handles the error
When using an else statement as part of exception handling the code in the else- block will only be executed if... Select one: O a. during the execution of the code in the exception handling block there is an error or exception generated. O b. no exception occurs during the execution of the code inside the exception handling block. С. it is always executed. O d. there is an exception and it is not handled by any other code.
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