String[] stringArray = { "a", "b", "c", "d", "e" }; boolean b = Arrays.asList(stringArray).contains("a"); System.out.println(b); // true 1. 2. 3. 4. 5 连接两个数组 int[] intArray = { 1, 2, 3, 4, 5 }; int[] intArray2 = { 6, 7, 8, 9, 10 }; // ...
Class c = this; while (c.isArray()) { c = c.getComponentType(); } String baseName = c.getName(); int index = baseName.lastIndexOf('.'); if (index != -1) { name = baseName.substring(0, index).replace('.', '/') +"/"+name; } } else {//如果是以"/"开头,则去掉 nam...
public static native char getChar(Object array, int index) throws IllegalArgumentException, ArrayIndexOutOfBoundsException; public static native short getShort(Object array, int index) throws IllegalArgumentException, ArrayIndexOutOfBoundsException; public static native int getInt(Object array, int index...
It offers a wide range of operations optimized for different scenarios, ensuring high performance without compromising functional programming principles. Chunk is designed as a lightweight wrapper around contiguous collections (Array, IndexedSeq), allowing for efficient random access and transformation ...
List的get方法是Java的集合框架中常用的一个方法,用于获取List集合中指定位置的元素。 一、语法以及使用方法 语法: get(int index),它返回List中索引位置的元素。索引开始于0,因此如果List的大小为n,那么有效的索引范围是0到n-1。 使用List的get方法时需要防止ArrayIndexOutOfBoundsException异常,这个异常会在请求的...
Returns the value at index if it exists and is a JSONArray. Java documentation for org.json.JSONArray.getJSONArray(int). Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons ...
Returns the value at index if it exists and is a double or can be coerced to a double. Java documentation for org.json.JSONArray.getDouble(int). Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described...
GetArray(Int32) Retrieves the value of the designated column in the current row of this ResultSet object as an Array object in the Java programming language. GetArray(String) Retrieves the value of the designated column in the current row of this ResultSet object as an Array object in...
Java.Security.Spec Java.Sql Java.Sql BatchUpdateException ClientInfoStatus Connection DatabaseMetaData DataTruncation Date DriverManager DriverPropertyInfo IArray IArray Properties Methods Free GetArray GetResultSet IBlob ICallableStatement IClob IConnection ...
e("请求的url是:" + argUrl); InputStream is = null; //字节输入流,用来将文件中的数据读取到java程序中 ByteArrayOutputStream os = null; //byte数组缓冲区,用来捕获内存缓冲区的数据 HttpURLConnection urlConnection = null; //网络请求连接 try { // 将url转换为URL类对象 URL url = new URL(...