Javaの3つの簡単なコンソールの入力と出力方式
1507 ワード
//
public static void ScannerInputAndOut(){
Scanner in = new Scanner(System.in);
System.out.println(in.nextLine());
}
/**
*
*/
public static void ByteInputAndOut(){
//
BufferedInputStream in = new BufferedInputStream(System.in);
try {
byte[] b = new byte[1024];
in.read(b);
System.out.println(new String(b));
} catch (IOException e) {
e.printStackTrace();
}
//
BufferedOutputStream out = new BufferedOutputStream(System.out);
try {
for (int i = 0; i < 5; i++) {
out.write("hello".getBytes());
}
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
*
*/
public static void CharInputAndOut(){
//
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
try {
System.out.println(in.readLine());
} catch (IOException e) {
e.printStackTrace();
}
//
BufferedWriter out = new BufferedWriter(new OutputStreamWriter(System.out));
try {
for (int i = 0; i < 5; i++) {
out.write("hello"+i);
out.newLine();
}
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}