public static void ex3() throws NumberFormatException, IOException{
	System.out.print("Valor del array => ");
	int valor=Integer.parseInt(stdin.readLine());
	double [] array=new double[valor];
	for(int i=0; i<valor; i++){
		array[i]=Math.random()*100;
		System.out.print(array[i]+"\t");
	}
	System.out.print("\nColumna del array que vols borrar => ");
	int col=Integer.parseInt(stdin.readLine());
	for(int i=0; i<valor; i++){
		if(i==col-1){}
		else System.out.print(array[i]+"\t");
	}
	System.out.println("");
}