I 1 1 ( ) ( ) ex1-1.rb ) 2 CGI

Size: px

Start display at page:

Download "I 1 1 ( *) ( *) ex1-1.rb ) 2 CGI"

ことこあさま
5 years ago
Views:

1 I 1 1 ( *) ( *) ex1-1.rb ) 2 CGI I \( ) ( ) 1

2 3 Ruby 1 1? 1-3 ( ) I Ruby 5 p.7( Ruby 4 p.7)- 1-3 ( ex1-3.rb ) print("hello, Ruby.\n") 1-4 \n print 2

3 p.8(p.8)- ( ) 1-5 ( ex1-5.rb ) print("hello, \nruby\n!\n") 1-6 ( ex1-6.rb ) print("hello, \"Ruby\"!\n") 1-7 ( ex1-7.rb ) print("hello \\ Ruby!\n") 1-8 ( ex1-8.rb ) print( Hello,\nRuby\n!\n ) Hello! print("hello!") p.11(p.11) print("hello, ", "Ruby", ".", "\n") 3

4 print("hello, ") print("ruby") print(".") print("\n") p.14(p.14) #encoding: Shift_JIS print(" \n") print(" \n") 1-14 #encoding: Shift_JIS p.223(p.223) / * p.17(p.17) - ( ) 1-16 print( , "\n") print(2.0 * 3.0, "\n") print( , "\n") print(9.0 / 2.0, "\n") 4

5 1-17 print(1 + 2, "\n") print(2 * 3, "\n") print(5-8, "\n") print(9 / 2, "\n") ( ) p.18(p.18) print("sin(3.1415) = ", Math.sin(3.1415), "\n") print("sqrt(10000) = ", Math.sqrt(10000), "\n") p.226(p.228)- Math 1-20 Math print(5 * (12-8) - 15, "\n") print(5 * , "\n") 1-22 print("i like" + " apple pie.", "\n") 5

6 p.19(p.19) = p.66(p.69) my_string = " Ruby" print(my_string, "\n") my_string = " Ruby" print(my_string, "\n") my_string = " Ruby" print(my_string, "\n") ,3,4 mystring = " Ruby" print(mystring, "\n") print(mystring, "\n") print("mystring", "\n")

7 p.228(p.229) ,3,5 print( ) print("\n") print("12" + "12") print("\n") print(" ") print("\n") 1-29 print(" \n") x = gets.chomp print(" ", x, "\n") print(" \n") y = gets.chomp print(" ", y, "\n") print(" ", x + y, "\n") gets chomp 1-32 p.21(p.21) p.117(p.123) Ruby ( ) 7

8 1-33 var1 = 2 var2 = "5" print(var1 + var2, "\n") var1 = 2 var2 = "5" print(var1.to_s + var2, "\n") 1-35 var1 = 2 var2 = "5" print(var1 + var2.to_i, "\n") print("15".to_f, "\n") print("99.999".to_f, "\n") print("99.999".to_i, "\n") 1-38 p.228(p.229) 8

9 4 Ruby 2 1? I OK NG

10 p.24(p.24)- if 1-39 ( ex1-39.rb ) print(" \n") name = gets.chomp if name == "book" print(" \n") else print("! book \n") end 1-40 ( ex1-40.rb ) print(" \n") name = gets.chomp if name!= "book" print("! book \n") else print(" \n") end p.26(p.26) while 1-41 ( ex1-41.rb ) You > Enter bye command = "" print("ruby > ", " Ruby ", "\n") while command!= "bye" print("you > ") command = gets.chomp print("ruby > ", command, "\n") end 10

11 p.19(p.19) name = " " birth = 1770 print(name, " ", birth, " \n") 1-43 name = " " birth = 1797 print(name, " ", birth, " \n") 1-44 name_a = " " birth_a = 1770 print(name_a, " ", birth_a, " \n") name_b = " " birth_b = 1797 print(name_b, " ", birth_b, " \n") print(name_a, " ", name_b, " ", birth_b - birth_a, " \n") p.30(p.30)

12 1-46 name = [" ", " "] birth = [1770, 1797] print(name[0], "\n") print(name[1], "\n") print(name[0], " ", birth[0], " \n") print(name[1], " ", birth[1], " \n") print(name[0], " ", name[1], " ", birth[1] - birth[0], " \n") 1-47 a = [1, 3, 5, 7] total = a[0] + a[1] + a[2] + a[3] print(total, "\n") 1-48 a a = [1, 3, 5, 7, 9, 11] total =???? print(total, "\n") p.34(p.34) name = [" ", " ", " "] print(name.size, "\n") 1-50 name = [" ", " ", " "] print(name[0], "\n") print(name[1], "\n") print(name[2], "\n") 12

13 1-51 name = [" ", " ", " "] i = 0 while i < 3 print(i, ":", name[i], "\n") i = i + 1 end name = [" ", " ", " "] i = 0 while i < name.size print(i, ":", name[i], "\n") i = i + 1 end p.36(p36) birth_table ={" " => 1770, " " => 1797} print(" ", birth_table[" "], "\n") print(" ", birth_table[" "], "\n") 1-55 font_table = {"normal" => "+0", "small" => "-1", "big" => "+1"} print(font_table["small"], "\n") print(font_table["normal"], "\n") print(font_table["big"], "\n") 13

14 1-56 book_table = {" Ruby" => 2730, " Ruby" => 3990} print(book_table[" Ruby"], " \n") print(book_table[" Ruby"], " \n") 1-57 font_table = {"normal"=> "+0", "small" => "-1", "big" => "+1"} font_table.each { key, value print(key, value, "\n") } 1-58 book_table = {" Ruby" => 2730, " Ruby" => 3990} book_table.each { key, value print(key, value, "\n") } book_table 1-60 tango cat ) tango = {"???"=>"???", "???"=>"???","???"=>"???","???"=>"???"} tango.each { key, value print(" ",key, " ",value, "\n") } 14

Ruby 50 Ruby UTF print, \n [Ruby-1] print("hello, Ruby.\n") [Ruby-2] Hello, Ruby. [Ruby-3] print("hello, \"Ruby\".\n") 2 [Ruby-4] seisuu = 10 pr

$Ruby 50 Ruby UTF print, \n [Ruby-1] print(hello, Ruby.\n) [Ruby-2] Hello, Ruby. [Ruby-3] print(hello, \Ruby\.\n) 2 [Ruby-4] seisuu = 10 pr$ Ruby 50 Ruby UTF-8 1 1 print, \n [Ruby-1] print("hello, Ruby.\n") [Ruby-2] Hello, Ruby. [Ruby-3] print("hello, \"Ruby\".\n") 2 [Ruby-4] seisuu = 10 print(seisuu, "\n") jissuu = 3.141592 print(jissuu, "\n")