ExampleGet your own Java Server Return the first character (0) of a string: String myStr = "Hello"; char result = myStr.charAt(0); System.out.println(result); Try it Yourself » Definition and UsageThe charAt() method returns the character at the specified index in a string....
The methods specified below are some of the most commonly used methods of theStringclass in Java. We will learn about each method with help of small code examples for better understanding. 下面指定的方法是Java中String类最常用的方法。 我们将在小代码示例的帮助下了解每种方法,以便更好地理解。 ch...
2.String.charAt()Example In the following example, we are demonstrating the usage ofcharAt()method in multiple cases. Let us start with getting the first character of the string, i.e. the character at the index position 0. Stringstr="howtodoinjava.com";Assertions.assertEquals('h',str.char...
java Charater类 Java 编译器 转载 码海舵手之心 7月前 15阅读 前端charAt函数 前端的charAt()函数用于返回一个字符串中指定位置的字符。该函数的语法如下:string.charAt(index)其中,string 是要操作的字符串,index 是字符的位置,从 0 开始计数。以下是一个示例:var str = "Hello World"; var char = str....
ThecharAt()method returns the character at a specified index (position) in a string. The index of the first character is 0, the second 1, ... See Also: The charCodeAt() Method The codePointAt() Method The indexOf() Method The lastIndexOf() Method ...
StringBuilder.CharAt(Int32) Method Reference Feedback Definition Namespace: Java.Lang Assembly: Mono.Android.dll Returns the character atindex. C# [Android.Runtime.Register("charAt","(I)C","")]publicoverridecharCharAt(intindex); Parameters ...
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Java.Interop.Tools.JavaCallableWrappers Java.IO Java.Lang Java.Lang AbstractMethodError AbstractStringBuilder ArithmeticException ArrayIndexOutOfBoundsException ArrayStoreException AssertionError Booleano BootstrapMethodError Byte Carácter Character.Subset Character.UnicodeBlock Character.UnicodeScript CharSequenceConsts ...
More Java Courses These methods in their entirety can be found in theofficial Java documentation for the class String. Resist clicking the link for now as it can be quite an info dump. For now, let’s consider the first method: charAt( int index ) ...
CharBuffer.CharAt(Int32) MethodReference Feedback DefinitionNamespace: Java.Nio Assembly: Mono.Android.dll Reads the character at the given index relative to the current position.[Android.Runtime.Register("charAt", "(I)C", "")] public char CharAt(int index);...