Java method to determine whether a specific value is in an array:
Use List:
public static boolean useList(String[] arr, String targetValue) { return Arrays.asList(arr).contains(targetValue); }
Use Set:
public static boolean useSet(String[] arr, String targetValue) { Set<String> set = new HashSet<String>(Arrays.asList(arr)); return set.contains(targetValue); }
Use Simple loop statement:
public static boolean useLoop(String[] arr, String targetValue) { for (String s : arr) { if (s.equals(targetValue)) return true; } return false; }
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