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Enumerating Constructors

• Print the names and parameter types of all Rectangle
  constructors:
  

  for (int i = 0; i < cons.length; i++) 
  { 
     Class[] params = cons[i].getParameterTypes(); 
     System.out.print("Rectangle("); 
     for (int j = 0; j < params.length; j++) 
     { 
        if (j > 0) System.out.print(", "); 
        System.out.print(params[j].getName()); 
     } 
     System.out.println(")"); 
  } 
  

• Yields
  

  Rectangle() 
  Rectangle(java.awt.Rectangle) 
  Rectangle(int, int, int, int) 
  Rectangle(int, int) 
  Rectangle(java.awt.Point, java.awt.Dimension) 
  Rectangle(java.awt.Point) 
  Rectangle(java.awt.Dimension) 
  
  

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