[Android.Runtime.Register("append", "(Ljava/lang/CharSequence;II)Ljava/lang/StringBuilder;", "")] public override Java.Lang.IAppendable Append (Java.Lang.ICharSequence? s, int start, int end); Parameters s ICharSequence start Int32 the beginning index. end Int32 the ending index. ...
start - The beginning index, inclusive. end - The ending index, exclusive. Returns: This object. Throws: StringIndexOutOfBoundsException - if start is negative, greater than length(), or greater than end. deleteCharAt public StringBuilder deleteCharAt(int index) Removes the char at the specified...
2)StringBuffer常用方法 使用示例: publicclassMain {publicstaticvoidmain(String[] args) { StringBuffer buffer =new StringBuffer("Hello");// 尾部添加 buffer.append(" World"); System.out.println("After append: " + buffer);// 指定位置插入 buffer.insert(6,"Java "); System.out.println("After...
// A string with whitespace in beginning and end. // Note: \t is tab character // \n is new line character str = " \t Java is hot! \t \n "; System.out.println("- str=" + str); // Returns a copy of the string, with leading and trailing whitespace omitted. String s4 = ...
使用示例:Java中String、StringBuffer、StringBuilder的区别以及使用场景总结-CJavaPy 2)StringBuffer常用方法 使用示例: public class Main { public static void main(String[] args) { StringBuffer buffer = new StringBuffer("Hello"); // 尾部添加
// creates empty builder, capacity 16 StringBuilder sb = new StringBuilder(); // adds 9 character string at beginning sb.append("Greetings"); will produce a string builder with a length of 9 and a capacity of 16: The StringBuilder class has some methods related to length and capacity ...
CompareTo 删除 DeleteCharAt EnsureCapacity GetChars GetEnumerator IndexOf Insert LastIndexOf 长度 OffsetByCodePoints Replace Reverse SetCharAt SetLength SubSequence SubSequenceFormatted Substring ToString TrimToSize 显式接口实现 StringIndexOutOfBoundsException ...
Java.Interop.Expressions Java.Interop.Tools.JavaCallableWrappers Java.IO Java.Lang Java.Lang AbstractMethodError AbstractStringBuilder ArithmeticException ArrayIndexOutOfBoundsException ArrayStoreException AssertionError Boolean BootstrapMethodError Byte Caractère Character.Subset Character.UnicodeBlock Character.UnicodeScr...
Unless otherwise noted, passing anullargument to a constructor or method in this class will cause aNullPointerExceptionto be thrown. Added in 1.5. Java documentation forjava.lang.AbstractStringBuilder. Portions of this page are modifications based on work created and shared by theAndroid Open Source...
* {@code start} is equal to {@code end}, no changes are made.* * @param start The beginning index, inclusive.* @param end The ending index, exclusive.* * @return This object.* * @throws StringIndexOutOfBoundsException if {@code start} ...