There are two main arguments in favor of using layered protocols. Provide evidence to support your claims.

There are two compelling reasons why layered protocols should be established. Your argument must be supported with an example.

Using JAVA code:  Please make a graphical interface that will convert infix to postfix expression.  Consider the code notes below:  The input expression should not have any spaces in between the characters.  Output an error message if the expression cannot be converted to its postfix expression equivalent.  The input (postfix) expression’s operands and operators must be separated by space.  Output an error message if the expression cannot be evaluated.

There are two main arguments in favor of using layered protocols. You must provide evidence for your claims.