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26 lines
726 B
HTML
26 lines
726 B
HTML
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<p>URL化。编写一种方法，将字符串中的空格全部替换为<code>%20</code>。假定该字符串尾部有足够的空间存放新增字符，并且知道字符串的“真实”长度。（注：用<code>Java</code>实现的话，请使用字符数组实现，以便直接在数组上操作。）</p>
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<p> </p>
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<p><strong>示例 1：</strong></p>
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<pre>
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<strong>输入</strong>："Mr John Smith ", 13
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<strong>输出</strong>："Mr%20John%20Smith"
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</pre>
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<p><strong>示例 2：</strong></p>
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<pre>
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<strong>输入</strong>：" ", 5
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<strong>输出</strong>："%20%20%20%20%20"
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</pre>
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<p> </p>
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<p><strong>提示：</strong></p>
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<ul>
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<li>字符串长度在 [0, 500000] 范围内。</li>
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</ul>
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