Ruby Programming Examples

ruby methods

ruby

#!/usr/bin/ruby

def test(a1 = "Ruby", a2 = "Perl")
   puts "The programming language is #{a1}"
   puts "The programming language is #{a2}"
end
test "C", "C++"
test

ruby next statement

ruby

#!/usr/bin/ruby

for i in 0..5
   if i < 2 then
      next
   end
   puts "Value of local variable is #{i}"
end

ruby break statement

ruby

#!/usr/bin/ruby

for i in 0..5
   if i > 2 then
      break
   end
   puts "Value of local variable is #{i}"
end

ruby for in loop

ruby

#!/usr/bin/ruby

(0..5).each do |i|
   puts "Value of local variable is #{i}"
end

ruby for statement

ruby

#!/usr/bin/ruby

for i in 0..5
   puts "Value of local variable is #{i}"
end

ruby until modifier

ruby

#!/usr/bin/ruby

$i = 0
$num = 5
begin
   puts("Inside the loop i = #$i" )
   $i +=1;
end until $i > $num

ruby until statement

ruby

#!/usr/bin/ruby

$i = 0
$num = 5

until $i > $num  do
   puts("Inside the loop i = #$i" )
   $i +=1;
end

while modifier

ruby

#!/usr/bin/ruby

$i = 0
$num = 5
begin
   puts("Inside the loop i = #$i" )
   $i +=1
end while $i < $num

ruby while statement

ruby

#!/usr/bin/ruby

$i = 0
$num = 5

while $i < $num  do
   puts("Inside the loop i = #$i" )
   $i +=1
end

ruby case statement example

ruby

#!/usr/bin/ruby

$age =  5
case $age
when 0 .. 2
   puts "baby"
when 3 .. 6
   puts "little child"
when 7 .. 12
   puts "child"
when 13 .. 18
   puts "youth"
else
   puts "adult"
end

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