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16 changes: 12 additions & 4 deletions task01/src/com/example/task01/Task01Main.java
Original file line number Diff line number Diff line change
Expand Up @@ -2,20 +2,28 @@

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

public class Task01Main {
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})));
*/


}

public static int checkSumOfStream(InputStream inputStream) throws IOException {
// your implementation here
return 0;
if (inputStream == null) {
throw new IllegalArgumentException();
}
int checkSum = 0;
int currentByte;
while ((currentByte = inputStream.read()) != -1) {
checkSum = Integer.rotateLeft(checkSum, 1) ^ currentByte;
}
return checkSum;
}
}
25 changes: 25 additions & 0 deletions task02/src/com/example/task02/Task02Main.java
Original file line number Diff line number Diff line change
Expand Up @@ -9,5 +9,30 @@ 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
int currentByte;
boolean lastWasCarriageReturn = false;
while((currentByte = System.in.read()) != -1) {
if (currentByte == 13) {
if (lastWasCarriageReturn) System.out.write(13);
lastWasCarriageReturn = true;
}
else if (currentByte == 10) {
if (lastWasCarriageReturn) {
System.out.write(10);
lastWasCarriageReturn = false;
}
else System.out.write(10);
}
else {
if (lastWasCarriageReturn) {
System.out.write(13);
lastWasCarriageReturn= false;
}
System.out.write(currentByte);
}
}

if (lastWasCarriageReturn) System.out.write(13);
System.out.flush();
}
}
14 changes: 11 additions & 3 deletions task03/src/com/example/task03/Task03Main.java
Original file line number Diff line number Diff line change
Expand Up @@ -3,19 +3,27 @@
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.Charset;
import java.io.*;

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")));
*/

}

public static String readAsString(InputStream inputStream, Charset charset) throws IOException {
// your implementation here
return "";
if (inputStream == null || charset == null) throw new IllegalArgumentException();
InputStreamReader reader = new InputStreamReader(inputStream, charset);
BufferedReader bufferedReader = new BufferedReader(reader);
StringBuilder result = new StringBuilder();
String line;
while ((line = bufferedReader.readLine()) != null) {
result.append(line);
}
return result.toString();
}
}
15 changes: 14 additions & 1 deletion task04/src/com/example/task04/Task04Main.java
Original file line number Diff line number Diff line change
@@ -1,6 +1,8 @@
package com.example.task04;

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

public class Task04Main {
public static void main(String[] args) throws IOException {
Expand All @@ -9,6 +11,17 @@ public static void main(String[] args) throws IOException {
// - запустить программу
// - проверить, что получилось 351.731900

System.out.println("0.0");
Scanner scanner = new Scanner(System.in);
double sum = 0.0;
while (scanner.hasNext()) {
String token = scanner.next();
try {
double number = Double.parseDouble(token);
sum += number;
} catch (NumberFormatException e) {

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