ex4

package Isn;

public class ex4 {
public static void main (String[]args) {
	{
	System.out.print("type de lettre (0=verte, 1=prioritaire, 2=ecopli) :");
	int typeLettre = Integer.parseInt(System.console().readLine());
	System.out.print("Poids :");
	float poids = Float.parseFloat(System.console().readLine());

	System.console.printLn(prix(typeLettre,poids));
	    }
}

int prix(int type, float poids)
{
  if(poids <= 20)
  {
    if(type == 0)
    {
     return 0.57;
    }
    else if(type==1)
    {
     return 0.6;
    }
    else if(type==2)
    {
     return 0.55;
    }
  }
  else if(poids > 20 && poids <= 50)
  {
    if(type == 0)
    {
     return 0.95;
    }
    else if(type==1)
    {
      return 1.0;
    }
    else if(type==2)
    {
      return 0.78;
    }
  }
  else if(poids <= 100)
  {
    if(type == 0)
    {
     return 1.4;
    }
    else if(type==1)
    {
      return 1.45;
    }
    else if(type==2)
    {
      return 1.0;
}
  }
}
}