/** * The file path that is IOManager read and write an object from. This * file location will is used by {@link #read()} and {@link #write(Object)}. * This method may not return a null value. If the path is not set this should * return an empty string. * @param path The file location to be read and written to } */ public string getPath(); /** * Reads the object saved in the file located at the path returned by {@link #getPatF * @return An object saved in the file @throws IOException when something goes wrong in the IO process @throws ClassNotFoundException If the object located at the is a class that is not by this version of your software @throws Illegal stateException If the file path has not been set yet * * TeNotFoundException, IllegalArgumentE= * * */ public T read() throws IOException, ClassNotFoundException, Illegal stateException; /** * Writes and object to saved at the file located at the path returned by (@link #getPath( @param object The object saved in the file * * @throws IOException when something goes wrong in the IO process @throws Illegalstate Exception If the file path has not been set yet *1 public void write(T object) throws IOException, IllegalstateException;

/** * The file path that is IOManager read and write an object from. This * file location will is used by {@link #read()} and {@link #write(Object)}. * This method may not return a null value. If the path is not set this should * return an empty string. * @param path The file location to be read and written to } */ public string getPath(); /** * Reads the object saved in the file located at the path returned by {@link #getPatF * @return An object saved in the file @throws IOException when something goes wrong in the IO process @throws ClassNotFoundException If the object located at the is a class that is not by this version of your software @throws Illegal stateException If the file path has not been set yet * * TeNotFoundException, IllegalArgumentE= * * */ public T read() throws IOException, ClassNotFoundException, Illegal stateException; /** * Writes and object to saved at the file located at the path returned by (@link #getPath( @param object The object saved in the file * * @throws IOException when something goes wrong in the IO process @throws Illegalstate Exception If the file path has not been set yet *1 public void write(T object) throws IOException, IllegalstateException;

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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Concept explainers

Linux

An operating system (OS) is the software which manages hardware and resources, like CPU, storage and memory. The OS bridges the applications and hardware and makes the connections between all of your software and the hardware resources.

Question

/**
* The file path that is IOManager read and write an object from. This
*file location will is used by @link #read()} and {@link #write(Object)}.
* This method may not return a null value. If the path is not set this should
return an empty string.
*
@param path The file location to be read and written to
}
#
*1
public string getPath();
otFoundException, IllegalArgumentE;
/*
* Reads the object saved in the file located at the path returned by {@link #getPatF
* @return An object saved in the file.
3*
@throws IOException when something goes wrong in the IO process
@throws ClassNotFoundException If the object located at the is a class that is not
* by this version of your software
@throws Illegal state Exception If the file path has not been set yet
*
*/
public T read() throws IOException, ClassNotFoundException, IllegalStateException;
/**
* Writes and object to saved at the file located at the path returned by {@link #getPath(
@param object The object saved in the file
* @throws IOException when something goes wrong in the IO process
*
@throws Illegalstate Exception If the file path has not been set yet
*1
public void write(T object) throws IOException, Illegal stateException;

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