I don't know how to do any task anymore. I'll have to think about quitting.
package com.codegym.task.task20.task2004;
import java.io.*;
/*
Reading and writing static fields to a file
*/
public class Solution {
public static void main(String[] args) {
// You can find your_file_name.tmp in your TMP directory or adjust outputStream/inputStream according to your file's actual location
try {
File yourFile = File.createTempFile("your_file_name", null);
OutputStream outputStream = new FileOutputStream(yourFile);
InputStream inputStream = new FileInputStream(yourFile);
ClassWithStatic classWithStatic = new ClassWithStatic();
classWithStatic.i = 3;
classWithStatic.j = 4;
classWithStatic.save(outputStream);
outputStream.flush();
ClassWithStatic loadedObject = new ClassWithStatic();
loadedObject.staticString = "something";
loadedObject.i = 6;
loadedObject.j = 7;
loadedObject.load(inputStream);
// Here check that the classWithStatic object is equal to the loadedObject object
outputStream.close();
inputStream.close();
} catch (IOException e) {
//e.printStackTrace();
System.out.println("Oops, something is wrong with my file");
} catch (Exception e) {
//e.printStackTrace();
System.out.println("Oops, something is wrong with the save/load method");
}
}
public static class ClassWithStatic {
public static String staticString = "This is a static test string";
public int i;
public int j;
public void save(OutputStream outputStream) throws Exception
{
// Implement this method
PrintWriter printWriter = new PrintWriter(outputStream);
printWriter.write(staticString + "\n");
printWriter.write(this.i + "\n");
printWriter.write(this.j + "\n");
printWriter.close();
}
public void load(InputStream inputStream) throws Exception
{
// Implement this method
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
ClassWithStatic classWithStatic = new ClassWithStatic();
while(bufferedReader.ready())
{
classWithStatic.staticString = bufferedReader.readLine();
classWithStatic.i = Integer.parseInt(bufferedReader.readLine());
classWithStatic.j = Integer.parseInt(bufferedReader.readLine());
}
bufferedReader.close();
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
ClassWithStatic that = (ClassWithStatic) o;
if (i != that.i) return false;
return j == that.j;
}
@Override
public int hashCode() {
int result = i;
result = 31 * result + j;
return result;
}
}
}