1. Go to your garage (or your parent's garage).
2. Open the tool box.
3. If you see more than one tool, think about how that applies to your question.

If you have no toolbox, or only have one of those little hammers with the screwdriver bits in the hollow handle, then I have great sympathy for you.

Seriously. If you goto an auto shop, does your mechanic have but one single do-it-all tool in his toolchest? He (or she) is a professional, with professional-grade tools specifically designed to perform various automobile repair tasks.

Similarly, professional software developers should possess a sufficient set of tools to perform his trade. If you open your toolbox and see only [the software equivalent of ] a Philips screwdriver, then you cannot consider yourself a professional.

You can turn a bolt with an open-end wrench, a box-end wrench, a ratchet wrench, or an adjustable wrench. You can even turn a bolt in a pinch with slip-joint pliers, clumsily, with minor to severe damage. But it is quite difficult to turn a bolt with a sledge hammer.

1. Go to your garage (or your parents' garage).
2. Open the tool box.
3. If you see more than one tool, think about how that applies to your question.

If you have no toolbox, or only have one of those little hammers with the screwdriver bits in the hollow handle, then I have great sympathy for you.

Seriously. If you go to an auto shop, does your mechanic have only one single do-it-all tool in his toolchest? He (or she) is a professional, with professional-grade tools specifically designed to perform various automobile repair tasks.

Similarly, professional software developers should possess a sufficient set of tools to perform his/her trade. If you open your toolbox and see only [the software equivalent of ] a Philips screwdriver, then you cannot consider yourself a professional.

You can turn a bolt with an open-end wrench, a box-end wrench, a ratchet wrench, or an adjustable wrench. You can even turn a bolt in a pinch with slip-joint pliers, clumsily, with minor to severe damage. But it is quite difficult to turn a bolt with a sledge hammer.

1. Go to your garage (or your parent's garage).
2. Open the tool box.
3. If you see more than one tool, think about how that applies to your question.

If you have no toolbox, or only have one of those little hammers with the screwdriver bits in the hollow handle, then I have great sympathy for you.

Seriously. If you goto an auto shop, does your mechanic have but one single do-it-all tool in his toolchest? He (or she) is a professional, with professional-grade tools specifically designed to perform various automobile repair tasks.

Similarly, professional software developers should possess a sufficient set of tools to perform his trade. If you open your toolbox and see only [the software equivalent of ] a Philips screwdriver, then you cannot consider yourself a professional.

You can turn a bolt with an open-end wrench, a box-end wrench, a ratchet wrench, or an adjustable wrench. You can even turn a bolt clumsily in a pinch with slip-joint pliers. But it is quite difficult to turn a bolt with a sledge hammer.

1. Go to your garage (or your parent's garage).
2. Open the tool box.
3. If you see more than one tool, think about how that applies to your question.

If you have no toolbox, or only have one of those little hammers with the screwdriver bits in the hollow handle, then I have great sympathy for you.

Seriously. If you goto an auto shop, does your mechanic have but one single do-it-all tool in his toolchest? He (or she) is a professional, with professional-grade tools specifically designed to perform various automobile repair tasks.

Similarly, professional software developers should possess a sufficient set of tools to perform his trade. If you open your toolbox and see only [the software equivalent of ] a Philips screwdriver, then you cannot consider yourself a professional.

You can turn a bolt with an open-end wrench, a box-end wrench, a ratchet wrench, or an adjustable wrench. You can even turn a bolt in a pinch with slip-joint pliers, clumsily, with minor to severe damage. But it is quite difficult to turn a bolt with a sledge hammer.