how to call a parameterized constructor in java -

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i new java ,i want call default parameterized constructor code not working java code 

public class sample{  public static void main(string args[]){ 1 o=new one(25);  }  }  class one{      public void one(string a){          system.out.println(a);     } }

there mistake in code. remove void constructor. more specific replace class with

class one{      public void one(string a){          system.out.println(a);     } }

if adding return type, java consider method, instead constructor, though class name , method name (class name) similar.

also please not trying call constructor new one(25), incorrect. should pass argument string new one("25")


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