JAVA 1.Given the following import statements:import java.util.Scanner;import java.util.InputMismatchException;import java.io.File;import java.io.PrintWriter;import java.io.IOException;A.В.С.D.Е.F.All of the above.Which ones will be needed for file input/output?2.Choose from below the instance field declarations associated with file processing.А.private String fileName;В.private double testScore;с.private PrintWriter outputFile;D.В only.Е.Both A and C.F.А, в, С.Enter a letter for the answer:3.Code a createFile method that handles input/output exceptions through its header.public void createFilesert throws clause for handing an IO (input/output) exception.{System.out.printf("%nEnter the file name for test scores+ " (WARNING:This will erase a pre-existing file!):") ;fileName = input.nextLine ();//Complete creating outputFilea PrintWriter object for opening a file.}//END setFileName () :final void Code a setInteger method that will handle an exception, allow the user to re-input an integer, and write the integer valueto a filе.4.public void setInteger (){//Declare cont as a boolean.do{cont = false;//Beginning of block that attempts code that might throw exceptions.{System.out.printf("%nEnter an integer:") ;//Read into anInteger that has already been declared.}//END block//Beginning of block that handles an input mismatch object called e.{input.nextLine () ;//Clear buffer.//Print "Invalid entry, try again!"//Set cont so loop re-enters when there's an exception.}//END block}while ();//Insert what is tested.•printf ("%d ", anInteger) ;//Write integer value to the outputFile.}//END setInteger () :void5.//Code Java statement that releases outputFile to avoid resource-leaks.

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1. Given the following import statements: А. import java.util.Scanner; в. import java.util.InputMismatchException; import java.io.File; import java.io.PrintWriter; import java.io.IOException; с. D. Е. F. All of the above. Which ones will be needed for file input/output?

1. Given the following import statements: А. import java.util.Scanner; в. import java.util.InputMismatchException; import java.io.File; import java.io.PrintWriter; import java.io.IOException; с. D. Е. F. All of the above. Which ones will be needed for file input/output?

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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