You may even want to practice using them while masturbating. This is a good idea for several reasons. First, you'll get used to the feeling, so they won't feel so foreign when you're with a partner. Second, practicing will increase your safer-sex skills. Lastly, it may help you associate condom use with sex.
Condoms are great when they work correctly.
Most condom breakage is attributed to human error. Because the risks can be so large, it's worth it to take the time to learn to use safer-sex devices them right. Store them in a cool, dry place away from direct sunlight, unroll them correctly and use plenty of water-based or silicone lubricant. You may even want to practice using them while masturbating. This is a good idea for several reasons.