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Commit 9480644

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"如何判断数组Array是否包含指定的值"有重复的两篇文档,整合到一起
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‎README.md‎

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* [将数组转换为List](https://github.com/giantray/stackoverflow-java-top-qa/blob/master/contents/create-arraylist-arraylistt-from-array-t.md)
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* [如何遍历map对象](https://github.com/giantray/stackoverflow-java-top-qa/blob/master/contents/iterate-through-a-hashmap.md)
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* [public,protected,private,不加修饰符。有什么区别呢?](https://github.com/giantray/stackoverflow-java-top-qa/blob/master/contents/in-java-whats-the-difference-between-public-default-protected-and-private.md)
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* [如何判断数组Array是否包含指定的值?](https://github.com/giantray/stackoverflow-java-top-qa/blob/master/contents/in-java-how-can-i-test-if-an-array-contains-a-certain-value.md)
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* [如何测试一个数组是否包含指定的值?](https://github.com/giantray/stackoverflow-java-top-qa/blob/master/contents/How-can-I-test-if-an-array-contains-a-certain-value.md)
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* [重写(Override)equlas和hashCode方法时应考虑的问题](https://github.com/giantray/stackoverflow-java-top-qa/blob/master/contents/what-issues-should-be-considered-when-overriding-equals-and-hashcode-in-java.md)
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* [从一个多层嵌套循环中直接跳出](https://github.com/giantray/stackoverflow-java-top-qa/blob/master/contents/breaking-out-of-nested-loops-in-java.md)
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* [如何将String转换为Int](https://github.com/giantray/stackoverflow-java-top-qa/blob/master/contents/converting-string-to-int-in-java.md)

‎contents/How-can-I-test-if-an-array-contains-a-certain-value.md‎

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```
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现在制定一个值 s,有哪些比较好的方式,判断这个数组 VALUES 是否包含值 s?
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简单且优雅的方法:
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```
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Arrays.asList(yourArray).contains(yourValue);
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## 简单且优雅的方法:
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1. Arrays.asList(...).contains(...)
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2. 使用 Apache Commons Lang包中的ArrayUtils.contains
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```java
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String[] fieldsToInclude = { "id", "name", "location" };
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if ( ArrayUtils.contains( fieldsToInclude, "id" ) ) {
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// Do some stuff.
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}
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```
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## 自己写逻辑
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问题的本质,其实是一个查找的问题,即查找一个数组是否包含某个值。对于原始类型,若是无序的数组,可以直接写一个 for 循环:
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```
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public static boolean useLoop(String[] arr, String targetValue) {

‎contents/in-java-how-can-i-test-if-an-array-contains-a-certain-value.md‎

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