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  • Sorting in Ruby

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    Using sort method we can sort any string, numbers, even classes either in ascending order or descending order .To sort an array ,you need to compare its element using <, >, <=, >= .

    return -1 if x < y
    return 0 if x = y
    return 1 if x > y
    
    Example :

    puts "enter names "
    names = [ ] 
    while true
    nam = gets.chomp
    if nam == ' '
    break
    else 
    names.push (nam)
    end
    puts names.sort or names.sort { | x, y | x <=> y } // both are same
    puts after sorting
    

    Output :

    enter names
    mukesh
    ashish
    ravi
    
    after sorting
    
    ashish
    mukesh
    ravi
    

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