public class Table
{
	String name;
	double weight;
	double width;
	double tablelength;
	double heigth;
	Table(String name,double weight,double width,double tablelength,double heigth)
	{
		this.name= name;
		this.weight=weight;
		this.width=width;
		this.tablelength=tablelength;
		this.heigth=heigth;
	}
	public double area()
	{
		double area;
		area=width*tablelength;
		return area;
	}
	void display()
	{
		System.out.println("Table name:"+name);
		System.out.println("Table weight:"+weight);
		System.out.println("Table width:"+width);
		System.out.println("Table tablelength:"+tablelength);
        	System.out.println("Table heigth:"+heigth);	
	}
	void changeWeight(double weight)
	{
		this.weight=weight;
	}
	public static void main(String[] args)
	{
		double area;
		Table table1=new Table("table1",50,20,30,100);
		area=table1.area();
		table1.changeWeight(40);
		System.out.println(area);
		table1.display();
	}
}