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068. 文字列リテラルの大きさを表示する

VBScript

JScript

Perl

$n = length("123");
print "length('123') = $n \n";

L:\>perl lesson_09_068.pl
length('123') = 3

PHP

<?php
$n = strlen("123");
print "length('123') = $n \n";
?>

L:\>php lesson_09_068.php
length('123') = 3

Python

n = len("123")
print "length('123') = %d" % n

N:\>python lesson_09_068.py
length('123') = 3

Ruby

n = "123".length
print "length('123') = #{n} \n"

n = "123".size
print "size('123') = #{n} \n"

L:\>ruby  l:\lesson_09_068.rb
length('123') = 3
size('123') = 3

PowerShell

Scala

F#

C

#include <stdio.h>


int main(int argc, char* argv[])
{
    printf("sizeof(\"123\") = %u\n", (unsigned)sizeof("123"));
    printf("sizeof(\"AB\\tC\") = %u\n", (unsigned)sizeof("AB\tC"));
    printf("sizeof(\"abc\\0def\") = %u\n", (unsigned)sizeof("abc\0def"));

    return 0;
}

R:\>lesson068\Project1.exe
sizeof("123") = 4
sizeof("AB\tC") = 5
sizeof("abc\0def") = 8

C++

C++Builder

VC++

C#

Java

import java.util.Scanner;

class Lesson068 {
    public static void main(String[] args) {
        System.out.printf("sizeof(\"123\")      = %d\n",  "123".length());
        System.out.printf("sizeof(\"AB\\tC\")    = %d\n", "AB\tC".length());
        System.out.printf("sizeof(\"abc\\0def\") = %d\n", "abc\0def".length());
    }
}

L:\>java Lesson068
sizeof("123")      = 3
sizeof("AB\tC")    = 4
sizeof("abc\0def") = 7

Objective-C

D

VB

VB.NET

Delphi

program Project1;

{$APPTYPE CONSOLE}

uses
    SysUtils;

procedure main();
begin
    Writeln(Format('sizeof("123") = %d', [SizeOf('123')]));
    Writeln(Format('sizeof("AB\tC") = %d', [SizeOf('AB'#9'C')]));
    Writeln(Format('sizeof("abc\0def") = %d', [SizeOf('abc'#0'def')]));
    Writeln('');

    Writeln(Format('sizeof("123") = %d', [Length('123')]));
    Writeln(Format('sizeof("AB\tC") = %d', [Length('AB'#9'C')]));
    Writeln(Format('sizeof("abc\0def") = %d', [Length('abc'#0'def')]));
end;

begin
    main;
end.

S:\>lesson068\Project1.exe
sizeof("123") = 4
sizeof("AB\tC") = 4
sizeof("abc\0def") = 4

sizeof("123") = 3
sizeof("AB\tC") = 4
sizeof("abc\0def") = 7

Ada

PL/SQL

T-SQL