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trait one
{
    def method:Unit
     var a=10
     private final b=20
}

trait two

trait three extends one

abstract class Demo
{
    
}
class HelloWorld extends Demo with one with two with three 
{
    def method=println("This is method with value "+a)
}
object HelloWorld extends two
{
    def main(args:Array[String])
    {
        println("This is trait example1")
        val obj=new HelloWorld
        obj.method
    }
}