StringBuilder.IndexOf Method Reference Feedback Definition Namespace: Java.Lang Assembly: Mono.Android.dll Overloads 展開資料表 IndexOf(String, Int32) Searches for the index of the specified character. IndexOf(String
Search a string for the first occurrence of "planet": StringmyStr="Hello planet earth, you are a great planet.";System.out.println(myStr.indexOf("planet")); Try it Yourself » Definition and Usage TheindexOf()method returns the position of the first occurrence of specified character(s)...
import java.util.LinkedList; public class Main { public static void main(String[] args) { LinkedList<String> cars = new LinkedList<String>(); cars.add("Volvo"); cars.add("BMW"); cars.add("Ford"); cars.add("Mazda"); System.out.println(cars.indexOf("Ford")); } } Try it Yourse...
JavaInt16Array 构造函数 方法 清除 CopyFrom CopyTo CreateMarshaledValue GetElements IndexOf JavaInt32Array JavaInt64Array JavaInterfaceDefaultMethodAttribute JavaLibraryReferenceAttribute JavaObject JavaObjectArray<T> JavaObjectExtensions JavaPeerableExtensions JavaPrimitiveArray<T> JavaSByteArray JavaSingleArray...
Java中indexOf的用法 在Java中,indexOf是一种用于查找字符串中某个字符或子字符串的位置的方法。它返回第一个匹配项的索引,如果没有找到匹配项,则返回-1。indexOf方法是很常用的,可以用于字符串的搜索和分析,尤其在处理文本数据时非常方便。本文将介绍indexOf的用法,并通过代码示例来说明其具体用法。
BootstrapMethodError Byte Character Character.Subset Character.UnicodeBlock Character.UnicodeScript CharSequenceConsts Class ClassCastException ClassCircularityError ClassFormatError ClassLoader ClassNotFoundException ClassValue CloneNotSupportedException Compiler ...
Java.Interop.Expressions Java.Interop.Tools.JavaCallableWrappers Java.IO Java.Lang Java.Lang AbstractMethodError AbstractStringBuilder ArithmeticException ArrayIndexOutOfBoundsException ArrayStoreException AssertionError Boolean BootstrapMethodError Byte Character Character.Subset Character.UnicodeBlock Character.UnicodeScri...
Java String lastIndexOf Method: The lastIndexOf() method returns the index within this string of the last occurrence of the specified character.
More Java Courses IndexOf(String substring) This method returns the index of the first character of the substring passed as parameter to it. If the specified substring is not present in the string, the returned index would be -1. IndexOf(String substring, int fromindex) ...
Java ArrayList.lastIndexOf() Method with example: The lastIndexOf() method is used to get the index of the last occurrence of an element in a ArrayList object.