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(
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...
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 ...
ICharSequence.CharAt(Int32) Method Reference Feedback Definition Namespace: Java.Lang Assembly: Mono.Android.dll Returns thecharvalue at the specified index. [Android.Runtime.Register("charAt", "(I)C", "GetCharAt_IHandler:Java.Lang.ICharSequenceInvoker, Mono.Android, Version=0.0.0.0, Culture...
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.charAt(0)); ...
AbstractStringBuilder.CharAt(Int32) MethodReference DefinitionNamespace: Java.Lang Assembly: Mono.Android.dll Returns the char value in this sequence at the specified index. [Android.Runtime.Register("charAt", "(I)C", "GetCharAt_IHandler")] public virtual char CharAt(int index); Parameters ...
Inprimatu Reference Feedback Definition Namespace: Java.Lang Assembly: Mono.Android.dll Returns the character atindex. C#Kopiatu [Android.Runtime.Register("charAt","(I)C","")]publicoverridecharCharAt(intindex); Parameters index Int32
http://lugeek.com/2014/10/27/java-string/ https://www.javatpoint.com/post/java-character-codepointat-method ---猫玛尼分割线--- 公众号:猫玛尼 博客:https://blog.moremoney.ink/ CSDN:https://blog.csdn.net/luoyanjiewade 知乎:https://www...
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 ) ...
(AppController.java:27) at sun.reflect.NativeMethodAccessorImpl.invoke0(...: String index out of range: 18\n\tat java.lang.String.charAt(String.java:658)\n\tat com.example.app.loggingApp.classOne.getResult...com.example.app.loggingApp.AppController.tester(AppController.java:27)\n\tat sun...