Defensive programming constructs have prevented many a defect, but the constructs themselves tend to litter code with repetitive logic.

防御性编程结构阻止了一个又一个缺陷，但这些结构本身却不免为代码添加了重复的逻辑。

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Specifying this constraint through annotations means I no longer need to litter my code with repetitive conditionals that check for null and throw an exception on finding it.

通过标注指定这个约束条件意味着我的代码不再会被重复的条件弄得乱七八糟，这些条件检查 null 值，并且一旦找到该值就会抛出异常。

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Obviously we ask all our customers to dispose of litter responsibly.

显然，我们要求所有的顾客负责任地处理垃圾。

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Similar generators with radioactive elements are known to litter remote parts of Russia.

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Previous developers had planned to litter Powder Mountain with a sprawl of malls, golf courses and up to 10, 000 homes.

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For example, people feel greater license to litter in places that have already been defiled by other people's trash or graffiti.

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