// 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 = ...
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...
Append(Char[], Int32, Int32) Appends the string representation of the specified subset of thechar[]. C# [Android.Runtime.Register("append","([CII)Ljava/lang/StringBuilder;","")]publicJava.Lang.IAppendableAppend(char[]? str,intoffset,intlen); ...
1publicStringBuilder append(StringBuffer sb) {2super.append(sb);3returnthis;4} 继续看父类中的拼接方法: 1//Documentation in subclasses because of synchro difference2publicAbstractStringBuilder append(StringBuffer sb) {3//如果sb的值为null,这里就会为字符串添加上字符串“null”4if(sb ==null)5return...
JavaCast<TResult>(IJavaObject) 変更可能な文字シーケンス。 GetJniTypeName(IJavaPeerable) 変更可能な文字シーケンス。 Append(IAppendable, String) 変更可能な文字シーケンス。 Append(IAppendable, String, Int32, Int32) 変更可能な文字シーケンス。 SubSequence(ICharSequence, Int32, Int32) 変更可...
// 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 ...
Append(String, Int32, Int32) Appends the character sequencetextand spanswhatover the appended part. C# publicJava.Lang.IAppendable? Append (string? text,intstart,intend); Parameters text String the character sequence to append. start Int32 ...
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package java.lang; import jdk.internal.math.FloatingDecimal; import java.util.Arrays; import java.util.Spliterator; import java.util.stream.IntStream; import java.util.stream.StreamSupport; /** * A mutable sequence of characters. * * Implements a modifiable string. At any point in time it c...
package java.lang; import jdk.internal.math.FloatingDecimal; import java.util.Arrays; import java.util.Spliterator; import java.util.stream.IntStream; import java.util.stream.StreamSupport; /** * A mutable sequence of characters.* * ...