int.to_i

int.char

# Ruby program for explaining
# chr method
 
puts 65.chr        
puts ?a.chr       

A
a

int.downto(integer){|i| block}

# Ruby program for explaining
# downto method
 
6.downto(1){|i| print i, "..."} 
print "stop" 

6...5...4...3...2...1...stop

int.floor

# Ruby program for explaining
# floor method
 
puts 1.floor     
puts (-1).floor   

1
-1

int.integer?

# Ruby program for explaining
# integer? method
 
puts 2.integer?    
puts 0.1.integer? 

true
false

int.next
int.succ

# Ruby program for explaining
# next method
 
puts 5.next     
puts -20.next   

6
-19

int.times{|i| block}

# Ruby program for explaining
# times method
 
6.times do|i| 
print i, " "
end

0 1 2 3 4 5

int.upto(integer){|i| block}

# Ruby program for explaining
# upto method
 
20.upto(25){|a| print a, "... "}

20... 21... 22... 23... 24... 25...

int.round

# Ruby program for explaining
# round method
 
puts 2.round     
puts (29.67).round

2
30