Returns the length of this string. C# [Android.Runtime.Register("length","()I","")]publicintLength(); Returns Int32 the length of the sequence of characters represented by this object. Implements Length() Attri
String str = "Hello"; int length = str.length(); System.out.println("Length of the string is: " + length); 复制代码 如果不将String.length()方法的返回值赋给一个变量或者直接打印输出,而是单独使用该方法,会导致编译错误。例如: String str = "Hello"; str.length(); // 编译错误:The method...
StringBuffer insert(int index,char ch) StringBuffer insert(int index,Object obj) index指定将字符串插入到StringBuffer对象中的位置的下标。 (8)、reverse() 颠倒StringBuffer对象中的字符 StringBuffer reverse() (9)、delete()和deleteCharAt() 删除字符 StringBuffer delete(int startIndex,int endIndex) Stri...
String[] arr = s.split(","); for(int x=0; x<arr.length; x++) { sop(arr[x]); } } public static void method_replace() { String s = "hello java"; //String s1 = s.replace('a','n'); //String s1 = s.replace('w','n'); 如果要替换的字符不存在,返回的还是原串 String ...
target 指定接收字符的数组targetStart target 中开始复制子串的下标值例:String s=”this is a demo of the getChars method.”; char buf=new char20;s.getChars(10,14,buf,0); 11)getBytes()替代 getChars()的一种方法是将字符存储在字节数组中,该方法即 getBytes()例:String s = “Hello!你好!”;...
String的长度限制 想要搞清楚这个问题,首先我们需要翻阅一下String的源码,看下其中是否有关于长度的限制或者定义。 String类中有很多重载的构造函数,其中有几个是支持用户传入length来执行长度的: public String(byte bytes[], int offset, int length) 1. ...
StringJoiner.Length MethodReference Feedback DefinitionNamespace: Java.Util Assembly: Mono.Android.dll Returns the length of the String representation of this StringJoiner. C# 複製 [Android.Runtime.Register("length", "()I", "", ApiSince=24)] public int Length (); Returns Int32 the ...
StringBuffer.SetLength(Int32) Method Reference Feedback Definition Namespace: Java.Lang Assembly: Mono.Android.dll Sets the current length to a new value. C# 複製 [Android.Runtime.Register("setLength", "(I)V", "")] public override void SetLength(int newLength); Parameters newLength ...
Length Method Reference Feedback Definition Namespace: Java.Util Assembly: Mono.Android.dll Returns the length of the String representation of this StringJoiner. C# Copy [Android.Runtime.Register("length", "()I", "", ApiSince=24)] public int Length(); Returns Int32 the length of ...
Convert a string into a byte array:String myStr = "Hello"; byte[] result = myStr.getBytes(); System.out.println(result[0]); Try it Yourself »Definition and UsageThe getBytes() method converts a string into an array of bytes.