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(String str) StringBuffer(CharSequence chars) (1)、length()和capacity() 一个StringBuffer当前长度可通过length()方法得到,而整个可分配空间通过capacity()方法得到。 (2)、ensureCapacity() 设置缓冲区的大小 void ensureCapacity(int capacity) (3)、setLength() 设置缓冲区的长度 void setLength(in...
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() Attributes RegisterAttribute
Example: Java String length() Method The following example shows the usage of java String() method. public class Example { public static void main(String[] args) { String str = "example.com"; // Get the length of str. int len = str.length(); System.out.println(); System.out.printl...
java中数组是没有length()方法的，只有length属性，数组array.length返回的是该数组的长度。字符串String是有length()方法的，str.length()返回的是该字符串的长度。
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 toLowerCsae() 小转大 7.2:将字符串两端的多个空格去除 String trim(); 7.3:对两个字符串进行自然顺序的比较 int compareTo(string); 请看如下代码,下面的代码都是针对上面string七种用法而进行一一举例说明: class StringMethodDemo { public static void method_Zhuanhuan_Qukong_Bijiao() ...
(1. length()) String length() methodreturns the length of the string object. String length()方法返回字符串对象的长度。 AI检测代码解析 jshell> String s = "Hello Java"; s ==> "Hello Java" jshell> s.length() $2 ==> 10 1.
Returns the length of theStringrepresentation of thisStringJoiner. Note that if no add methods have been called, then the length of theStringrepresentation (eitherprefix + suffixoremptyValue) will be returned. The value should be equivalent totoString().length(). ...
if start or start > length(). Remarks Returns a string that is a substring of this string. The substring begins with the character at the specified index and extends to the end of this string. Examples: <blockquote> text/java Kopija "unhappy".substring(2) returns "happy" "Harbison".su...