Java 中的 append 方法是什么?
java.lang.StringBuffer 的 append(char c) 方法会将 char 参数的字符串表示形式追加到该序列中。该参数会追加到该序列的内容中。该序列的长度会增加 1。
示例
import java.lang.*;
public class StringBufferDemo {
public static void main(String[] args) {
StringBuffer buff = new StringBuffer("tuts ");
System.out.println("buffer = " + buff);
// appends the char argument as string to the string buffer.
buff.append('A');
// print the string buffer after appending
System.out.println("After append = " + buff);
buff = new StringBuffer("abcd ");
System.out.println("buffer = " + buff);
// appends the char argument as string to the string buffer.
buff.append('!');
// print the string buffer after appending
System.out.println("After append = " + buff);
}
}输出
buffer = tuts After append = tuts A buffer = abcd After append = abcd !
广告
数据结构
网络
RDBMS
操作系统
Java
iOS
HTML
CSS
Android
Python
C 编程
C++
C#
MongoDB
MySQL
Javascript
PHP