下面的程序演示了StringBuilder类的delete()方法。 例1: // Java program to demonstrate// the delete() Method.classGFG{publicstaticvoidmain(String[]args){// create a StringBuilder object// with a String pass as parameterStringBuilderstr=newStringBuilder("WelcomeGeeks");// print stringSystem.out.prin...
Delete(Int32, Int32) Method Reference Feedback Definition Namespace: Java.Lang Assembly: Mono.Android.dll Deletes a sequence of characters specified by start and end. C# 複製 [Android.Runtime.Register("delete", "(II)Ljava/lang/StringBuilder;", "")] public Java.Lang.StringBuilder ...
StringBuildersb=newStringBuilder(1024);// 设置初始容量为1024 链式调用 由于StringBuilder的方法都返回它自己的对象,所以可以使用链式调用的方式来更加简洁的实现复杂的字符串拼接操作 //链式调用publicstaticvoidtestMethodChaining(){StringBuildersb=newStringBuilder(); sb.append("hello").append("world").ins...
System.out.println(“StringBuilder.insertString:”+ strB.insert(2, “LS”)); //return “StringBuilder.insertString:chLSd11c” System.out.println(“StringBuilder.insertChar:”+ strB.insert(2, ‘L’)); //return “StringBuilder.insertChar:chLLSd11c” 1. 2. 3. 4. 6、delete(int startIndex,i...
// 创建StringBuilder对象StringBuildersb=newStringBuilder("hello");// append添加System.out.println(sb.append(" java"));//hello java// delete(x,y)删除下标x到y位置上的字符System.out.println(sb.delete(0,1));//ello java// deleteCharAt删除指定下标的字符System.out.println(sb.deleteCharAt(0));/...
StartCreateOriginalStringCreateStringToDeleteUseReplaceMethodOutputResultCreateStringBuilderUseIndexOfMethodCheckIndexUseDeleteMethodConvertToStringUseRegexEnd 流程图展示了使用三种不同方法删除指定字符串的过程。首先创建原始字符串,然后创建要删除的字符串。使用replace方法、StringBuilder类或正则表达式来删除指定字符串,并输出...
publicstaticvoidmain(String[] args){Stringa="hello";Stringb="abc";//1.先创建一个 StringBuilder sb = StringBuilder()//2.执行 sb.append("hello");//3. sb.append("abc");//4. Str c =sb.toString();Stringc=a + b; } String c1 = "ab" + "cd";常量相加,看的是池 ...
StringBuilder 方法 C# 閱讀英文版本 儲存 新增至集合 新增至計劃 分享方式: Facebookx.comLinkedIn電子郵件 列印 Reference Feedback Definition Namespace: Java.Lang Assembly: Mono.Android.dll Overloads 展開表格 Substring(Int32, Int32) Returns the String value of the subsequence from thestartindex to the...
public StringBuilder append(boolean b) Appends the string representation of the boolean argument to the sequence. The overall effect is exactly as if the argument were converted to a string by the method String.valueOf(boolean), and the characters of that string were then appended to this char...
The second method deletes the character located at index. StringBuilder insert(int offset, boolean b) StringBuilder insert(int offset, char c) StringBuilder insert(int offset, char[] str) StringBuilder insert(int index, char[] str, int offset, int len) StringBuilder insert(int offset, double ...