str23.java

来自「学习java编程的好程序」· Java 代码 · 共 14 行

///输出字符串的容量capacity
///输出字符串的长度length
public class str23
{
    public static void main(String[] args)
    {
        StringBuffer sb1=new StringBuffer();
        System.out.println(sb1.capacity());
        System.out.println(sb1.length());
    } 
}