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23 changes: 19 additions & 4 deletions task01/src/com/example/task01/Task01Main.java
Original file line number Diff line number Diff line change
@@ -1,5 +1,7 @@
package com.example.task01;

import java.awt.*;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;

Expand All @@ -8,14 +10,27 @@ public static void main(String[] args) throws IOException {
//здесь вы можете вручную протестировать ваше решение, вызывая реализуемый метод и смотря результат
// например вот так:

/*
System.out.println(checkSumOfStream(new ByteArrayInputStream(new byte[]{0x33, 0x45, 0x01})));
*/
System.out.println(checkSumOfStream(null));

}

public static final String ANSI_MAGENTA = "\u001B[35m";
public static final String ANSI_RESET = "\u001B[0m";

public static int checkSumOfStream(InputStream inputStream) throws IOException {
// your implementation here
return 0;
try {
int sum = 0;
int input = inputStream.read();

while (input != -1) {
sum = Integer.rotateLeft(sum, 1) ^ input;
input = inputStream.read();
}
return sum;
} catch (NullPointerException exception) {
System.out.println(ANSI_MAGENTA + "Bytes array is empty " + exception + ANSI_RESET);
throw new IllegalArgumentException(exception);
}
}
}
18 changes: 18 additions & 0 deletions task02/src/com/example/task02/Task02Main.java
Original file line number Diff line number Diff line change
Expand Up @@ -9,5 +9,23 @@ public static void main(String[] args) throws IOException {
// - направить стандартный вывод программы в файл output.test
// - запустить программу
// - и сравнить получившийся файл output.test с expected.test
ConvertToUnix();
}

public static void ConvertToUnix() throws IOException {

int currentString = System.in.read();
int nextString;

while (currentString != -1) {
nextString = System.in.read();

if (currentString != 13 || nextString != 10)
System.out.write(currentString);

currentString = nextString;
}

System.out.flush();
}
}
25 changes: 18 additions & 7 deletions task03/src/com/example/task03/Task03Main.java
Original file line number Diff line number Diff line change
@@ -1,21 +1,32 @@
package com.example.task03;

import java.io.IOException;
import java.io.InputStream;
import java.io.*;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Paths;

public class Task03Main {
public static void main(String[] args) throws IOException {
//здесь вы можете вручную протестировать ваше решение, вызывая реализуемый метод и смотря результат
// например вот так:

/*
System.out.println(readAsString(new FileInputStream("task03/src/com/example/task03/input.test"), Charset.forName("KOI8-R")));
*/

System.out.println(readAsString(Files.newInputStream(Paths.get("task03/src/com/example/task03/input.test")), Charset.forName("KOI8-R")));

}

public static String readAsString(InputStream inputStream, Charset charset) throws IOException {
// your implementation here
return "";
if (inputStream == null || charset == null)
throw new IllegalArgumentException();

Reader reader = new InputStreamReader(inputStream, charset);

StringBuilder stringBuilder = new StringBuilder();
int input;

while ((input = reader.read()) != -1)
stringBuilder.append((char) input);

return stringBuilder.toString();
}
}
16 changes: 15 additions & 1 deletion task04/src/com/example/task04/Task04Main.java
Original file line number Diff line number Diff line change
@@ -1,6 +1,9 @@
package com.example.task04;

import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Locale;
import java.util.Scanner;

public class Task04Main {
public static void main(String[] args) throws IOException {
Expand All @@ -9,6 +12,17 @@ public static void main(String[] args) throws IOException {
// - запустить программу
// - проверить, что получилось 351.731900

System.out.println("0.0");
Scanner scanner = new Scanner(new InputStreamReader(System.in)).useLocale(Locale.US);
double sum = 0.0d;

while (scanner.hasNext()) {
if (scanner.hasNextDouble()) {
sum += scanner.nextDouble();
} else {
scanner.next();
}
}

System.out.printf(Locale.US, "%6f", sum);
}
}