一、当相同元素为String时 方法一 /** * List去重 */ private List<String> removeDuplicate(List<String> list) { LinkedHashSet<String> set = new LinkedHashSet<String>(list.size()); set.addAll(list); list.clear(); list.addAll(
5.进入String的equals方法,源代码equals(Object anObject)参数列表中存入的是ArraysList的元素,(请看源代码)先比较地址,相同返回ture,在比较每个字符,由一样相同即返回ture. 6,回到contains()方法,此时返回相应i值,层级返回到源代码下的contains()方法,这是i>=0,所有返回true 7.补充(请看源代码indexOfRange方法)...
JavaArray<T>.Contains(T) 方法 參考 定義 命名空間: Android.Runtime 組件: Mono.Android.dll C# publicboolContains(T item); 參數 item T 傳回 Boolean 實作 Contains(T) 備註 此頁面的部分是根據 Android 開放原始碼專案所建立和共用的工作進行修改,並根據 Creative Commons 2.5 屬性授權中所述的詞彙使用。
String[] stringArray = { "a", "b", "c", "d", "e" }; boolean b = Arrays.asList(stringArray).contains("a");System.out.println(b);// true 1. 2. 先使用Arrays.asList()将Array转换成List,这样就可以用动态链表的contains函数来判断元素是否包含在链表中。 4、连接两个数组 int[] intAr...
String[] stringArray = { "a", "b", "c", "d", "e"};booleanb = Arrays.asList(stringArray).contains("a"); System.out.println(b);//true 5. 连接两个数组 int[] intArray = { 1, 2, 3, 4, 5};int[] intArray2 = { 6, 7, 8, 9, 10};//Apache Commons Lang libraryint[...
Java StringtoCharArray()Method ❮ String Methods Example Convert a string to achararray: String myStr = "Hello"; char[] myArray = myStr.toCharArray(); System.out.println(myArray[0]); Try it Yourself » Definition and Usage ThetoCharArray()method returns a newchararray representing the ...
String[] stringArray = { "a", "b", "c", "d", "e"};booleanb = Arrays.asList(stringArray).contains("a"); System.out.println(b);//true 连接两个数组# int[] intArray = { 1, 2, 3, 4, 5};int[] intArray2 = { 6, 7, 8, 9, 10};//Apache Commons Lang libraryint[] ...
String a string representation of a Attributes RegisterAttribute Remarks Returns a string representation of the contents of the specified array. If the array contains other arrays as elements, they are converted to strings by the Object#toString method inherited from Object, which describes their ...
Code:0:aload_01:invokespecial#1// Method java/lang/Object."<init>":()V4:returnpublicvoidstring...
IList.Contains IList.IndexOf IList.Insert IList.IsFixedSize IList.Item[] IList.Remove IList.RemoveAt JAVABooleanArray JAVACharArray JAVADoubleArray JAVAException JAVAInt16Array JAVAInt32Array JAVAInt64Array JAVAInterfaceDefaultMethodAttribute JAVALibraryReferenceAttribute ...