public StringBuffer deleteCharAt(int index),删除缓冲指定位置的字符 public StringBuffer replace(int start,int end,String str),把缓冲区指定位置的字符串替换为新的字符串 public StringBuffer reverse(),字符串反转(倒) public String toString(),把StringBuffer转换为String类型 1. 2. 3. 4. 5. 6. 7. ...
replace(int start, int end, String str):使用给定 String 中的字符替换此序列的子字符串中的字符。 示例: importjava.util.Arrays;importjava.util.Scanner;importjava.math.*;publicclassMain {publicstaticvoidmain(String[] args) {//TODO Auto-generated method stubScanner cin =newScanner(System.in);//...
sb.insert(6,"NBPro");//在索引为6的位置上插入NBProSystem.out.println(sb);//YuZhenNBPro Feng//改-->替换sb =newStringBuffer("YuZhen Feng"); sb.replace(0,6,"NBProPlusMax Xs");//将索引[0,6)位置上字符换为NBMaxSystem.out.println(sb);//NBProPlusMax Xs Fengsb.setCharAt(6,'!');/...
Added in 1. C# 複製 [Android.Runtime.Register("replace", "(IILjava/lang/String;)Ljava/lang/StringBuffer;", "")] public Java.Lang.StringBuffer Replace(int start, int end, string str); Parameters start Int32 the inclusive begin index. end Int32 the exclusive end index. str String ...
Java.Interop Java.Interop.Expressions Java.Interop.Tools.JavaCallableWrappers Java.IO Java.Lang Java.Lang AbstractMethodError AbstractStringBuilder ArithmeticException ArrayIndexOutOfBoundsException ArrayStoreException AssertionError Boolean BootstrapMethodError Byte Character Character.Subset Character.UnicodeBlock Charac...
1.4替换指定位置的内容replace public class StringBufferDemo05{ public static void main(String args[]){ StringBuffer buf = new StringBuffer() ; // 声明StringBuffer对象 buf.append("Hello ").append("World!!") ; // 向StringBuffer添加内容 ...
For example, if z refers to a string buffer object whose current contents are "start", then the method call z.append("le") would cause the string buffer to contain "startle", whereas z.insert(4, "le") would alter the string buffer to contain "starlet". In general, if sb refers ...
replace(int start, int end, String str) StringBuffer StringBuffer.reverse() Methods in java.lang with parameters of type StringBuffer Modifier and TypeMethod and Description StringBuilder StringBuilder.append(StringBuffer sb) Appends the specified StringBuffer to this sequence. StringBuffer String...
简介:一: String1:String的数据类型首先我们认识到java中的数据类型分为基本数据类型和引用数据类型。基本数据类型分为数值,字符,布尔,而引用数据类型分为类,接口,数组。String是属于引用数据类型的。因为String本身就是一个类需要了解基本数据类型和引用数据类型的区别。基本数据类型是直接存储在内存的栈上的,引用数据...
Java.Awt.Font Java.Beans Java.Interop Java.Interop.Expressions Java.Interop.Tools.JavaCallableWrappers Java.IO Java.Lang Java.Lang AbstractMethodError AbstractStringBuilder ArithmeticException ArrayIndexOutOfBoundsException ArrayStoreException AssertionError 布林值 BootstrapMethodError Byte 字元 Character.Subset Ch...