Returns a string representing the data in this sequence. void trimToSize() Attempts to reduce storage used for the character sequence. Methods inherited from class java.lang.Object clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait Methods inherited from interface ...
2. StringBuffer 源码中注释 * A thread-safe, mutable sequence of characters.*A string buffer is like a {@link String}, but can be modified.*The principal operations on a {@code StringBuffer} are the*{@code append} and {@code insert} methods, which are*overloaded so as to accept data...
Java documentation for java.lang.StringBuilder.insert(int, char[]). Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License. See also ValueOf(Char[]) Applies...
The methods * are synchronized where necessary so that all the operations on any * particular instance behave as if they occur in some serial order * that is consistent with the order of the method calls made by each of * the individual threads involved. StringBuilder 代码语言:javascript 代码...
一、Java String 类——String字符串常量 字符串广泛应用 在Java编程中,在 Java 中字符串属于对象,Java 提供了String 类来创建和操作字符串。 需要注意的是,String的值是不可变的,这就导致每次对String的操作都会生成新的String对象,这样不仅效率低下,而且大量浪费有限的内存空间。我们来看一下这张对String操作时内...
The principal operations on aStringBufferare theappendandinsertmethods, which are overloaded so as to accept data of any type. StringBuffer中最主要的方法为Append 和Insert方法。 StringBuffer在追加字符串,删除字符串,插入字符方面的速度优于String。
+4 only because I would go a bit further and make the append and appendLine methods return the instance of string builder itself. That way you could write the concatenation liek this: sb.append("Blah").append("blah"); This would save typing and would looks better :) October 23, 2011...
Constructs a string builder with no characters in it and an initial capacity specified by thecapacityargument. StringBuilder(String) Constructs a string builder initialized to the contents of the specified string. Properties Expandir tabla Methods ...
Java documentation for java.lang.StringBuilder.append(java.lang.CharSequence, int, int). Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License. Applies to .NE...
The StringBuilder class has some methods related to length and capacity that the String class does not have: Length and Capacity Methods MethodDescription void setLength(int newLength) Sets the length of the character sequence. If newLength is less than length(), the last characters in the charac...