publicclassStringExample{publicstaticvoidmain(String[]args){Stringstr="Hello World";// 示例字符串charlastChar=getLastCharacter(str);// 调用方法获取最后一位字符System.out.println("字符串的最后一位是: "+lastChar);// 输出最后一位字符}publicstaticchargetLastCharacter(Stringstr){if(str==null||str...
以下是使用charAt()方法获取字符串最后一个字符的示例代码: publicclassLastCharExample{publicstaticvoidmain(String[]args){Stringstr="Hello, World!";charlastChar=str.charAt(str.length()-1);System.out.println("The last character is: "+lastChar);}} 1. 2. 3. 4. 5. 6. 7. 关系图 以下是字符...
String strb1 = String.valueOf(bool); //将布尔类型转换为字符串类型 String stri1 = String.valueOf(integer); //将整形转换为字符串类型 String strl1 = String.valueOf(LongInt); //将长整型转换为字符串类型 String strf1 = String.valueOf(f); //将单精度浮点型转换为字符串类型 String strd1 =...
public void getChars(int start, int end, char[] destination, int position)Parameter ValuesParameterDescription start Required. The position in the string of the first character to be copied. end Required. The position in the string after the last character to be copied. destination Required. ...
1.charAt():返回指定索引处的字符串2.compareTo():比较字符串,返回第一个不相等字符的ASCII差值,如果字符都相等,则返回字符串长度差值3.copyValueOf(char[],offset,count):参数是一个数组,返回的是一个String对象,将数组中的元素考到一个String对象中;getChars()方法正好与之相反,将特定位置的字符串,变为数组...
Note:You will get an error if startIndex/endIndexis negative or greater than string's length startIndexis greater thanendIndex Example 1: Java substring() With Only Start Index classMain{publicstaticvoidmain(String[] args){ String str1 ="program";// 1st character to the last character ...
string基础 JavaString 类 创建字符串 StringDemo.java 文件代码: String基本用法 创建String对象的常用方法 String中常用的方法,用法如图所示,具体问度娘 三个方法的使用: lenth() substring() charAt() 字符串与byte数组间的相互转换 ==运算符和equals之间的区别: ...
StringBuffer strBuffer =newStringBuffer(text);returnstrBuffer.deleteCharAt(text.length() - 1) .toString(); } The position that holds the last character istext.length()-1. We used thetoString()method to get the string from ourStringBufferobject. ...
/** The value is used for character storage. */ private final char value[]; /** Cache the hash code for the string */ private int hash; // Default to 0 //其他内容... 2.常用方法 2.1.构造方法 其中StringBuffer 和 StringBuilder 为参数的构造函数用的比较少,但也要知道 /**...
You can get the character at a particular index within a string by invoking the charAt() accessor method. The index of the first character is 0, while the index of the last character is length()-1. For example, the following code gets the character at index 9 in a string: String anot...