strbuffconstruct.java

初学的好东西值得一看看欢迎下载观看使用

class StrbuffConstruct{
	public static void main(String[] args){

StringBuffer s=new StringBuffer("this is a test");
System.out.println("当前字符串s的Capacity为："+s.capacity());
s.ensureCapacity(40);
System.out.println("现在s的实际Capacity为："+s.capacity());



}
}