Based on the method overloading concept, Explain if we can create the following method in java? If you are not able to create, discuss why?

public int add(int a,int b){return a+b;}

public double add(int a,int b){return a+b;}

public double add(double a,int b){return a+b;}

public void add(double a,int b){System.out.println(a+b);}