我们可以使用String的replace()方法、StringBuilder类或正则表达式来实现这个功能。根据实际需求选择合适的方法进行操作。 代码示例: StringoriginalString="Hello, world!";StringstringToDelete="world";Stringresult=originalString.replace(stringToDelete,"");System.out.println(result);StringBuildersb=newStringBuilder(orig...
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) StringBuffer deleteCharAt(int loc) (10)、re...
我们对String、StringBuffer、StringBuiler先有一个简单的认识。String是不可变字符串,StringBuffer和StringBuilder是长度可变的字符串,区别是StringBuffer是线程安全的,StringBuilder是线程不安全的,同样StringBuilder的效率也会更高。 StringBuffer上的主要操作是append和insert方法,可重载这些方法,以接受任意类型的数据。每个方...
StringBuffer.Delete(Int32, Int32) Method Reference Feedback Definition Namespace: Java.Lang Assembly: Mono.Android.dll Added in 1. [Android.Runtime.Register("delete", "(II)Ljava/lang/StringBuffer;", "")] public Java.Lang.StringBuffer Delete(int start, int end); ...
StringIndexOutOfBoundsException ifstart,start > endorend > length(). Remarks Added in 1.2. Java documentation forjava.lang.StringBuffer.delete(int, int). Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to terms described...
StringBuffer.Delete(Int32, Int32) MethodReference Feedback DefinitionNamespace: Java.Lang Assembly: Mono.Android.dll Added in 1.C# Copy [Android.Runtime.Register("delete", "(II)Ljava/lang/StringBuffer;", "")] public Java.Lang.StringBuffer Delete(int start, int end);...
StringBuffer.Delete(Int32, Int32) MethodReference Feedback DefinitionNamespace: Java.Lang Assembly: Mono.Android.dll Added in 1.C# Kopírovat [Android.Runtime.Register("delete", "(II)Ljava/lang/StringBuffer;", "")] public Java.Lang.StringBuffer Delete (int start, int end);...
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);//...
最简单的可以用String.replaceFirst("great ","");也可以用正则表达式//待处理字符串String ori = "James is great super smashing great";//需要替换的字符串String def = "great ";Pattern pattern = Pattern.compile(def);//找到第一个匹配的字符串Matcher matcher = pattern.matcher(ori);//...
Method sb.append(); //在sb末尾加东西 StringBuffer insert(int offset, Object obj); //在offset位置插入 void setCharAt(int index, char ch); //设置index处的字符为ch StringBuffer delete(int start, int end); StringBuffer deleteCharAt(int index); int indexOf(String str); //返回sb中与string匹...