//演示 StringBuffer 類方法的使用。
public class StrBuffer {
	public static void main(String[] args) {
		//自動產生的方法
		StringBuffer s1 = new StringBuffer();
		StringBuffer s2 = new StringBuffer(8);
		StringBuffer s3 = new StringBuffer("StringBuffer");
		
		System.out.println("s1 = new StringBuffer(),the capacity is--"+
				s1.capacity());
		System.out.println("s2 = new StringBuffer(8),the length is--"+
				s2.length()+"\nThe capacity is --"+s2.capacity());
		System.out.println("s3 = new StringBuffer(\"StringBuffer\")"+
				"s3="+s3+"  The length is--"+s3.length()+
				"\nThe capacity is ---"+s3.capacity());
	}
}