Commanding The Demons
From Huben's Wiki
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*** What the demon will give you when you invoke this method. This is called the '''return value''', and for this demon it is 'void'. We shall speak more of this anon. | *** What the demon will give you when you invoke this method. This is called the '''return value''', and for this demon it is 'void'. We shall speak more of this anon. | ||
*** The '''name of the method'''. That is our primary concern today! The only method for this demon is 'main'. | *** The '''name of the method'''. That is our primary concern today! The only method for this demon is 'main'. | ||
| − | *** What you will pay the demon. This price is called the '''arguments''' of the method, and for this demon there is a standard price. Not blood as you may think, but 'String[] args'. These too shall be made clear as we progress. You will notice that the '''arguments''' are enclosed in ordinary parentheses. | + | *** What you will pay the demon. This price is called the '''arguments''' of the method, and for this demon there is a standard price. Not blood as you may think, but 'String[] args'. These too shall be made clear as we progress. You will notice that the '''arguments''' are enclosed in ordinary parentheses. If there is more than one argument, they are separated by commas. |
** A '''signature''' can be recognized by residing within the class body and having a name followed by arguments enclosed in parentheses. Betimes there will be a long list of arguments inside the parentheses. Other times there will be no arguments but still there will be parentheses to show where they might be: '()'. Fear not the complexity of the arguments; recognize only that they are enclosed in parentheses. | ** A '''signature''' can be recognized by residing within the class body and having a name followed by arguments enclosed in parentheses. Betimes there will be a long list of arguments inside the parentheses. Other times there will be no arguments but still there will be parentheses to show where they might be: '()'. Fear not the complexity of the arguments; recognize only that they are enclosed in parentheses. | ||
** Other important names of the '''signature''' include '''declaration''' and '''header'''. | ** Other important names of the '''signature''' include '''declaration''' and '''header'''. | ||
