что я не так делаю?
package com.javarush.task.task19.task1927;
/*
Контекстная реклама
*/
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
public class Solution {
public static TestString testString = new TestString();
public static void main(String[] args) {
PrintStream consoleStream = System.out;
ByteArrayOutputStream byt = new ByteArrayOutputStream();
PrintStream printStream = new PrintStream(byt);
System.setOut(printStream);
testString.printSomething();
String result = byt.toString().toUpperCase();
System.setOut(consoleStream);
System.out.println(result);
}
public static class TestString {
public void printSomething() {
System.out.println("first");
System.out.println("second");
System.out.println("third");
System.out.println("fourth");
System.out.println("fifth");
}
}
}