stringbufferexam.java

来自「Java程序设计实用教程源代码 本书源代码按章分别放置在不同的文件夹中,所有程」· Java 代码 · 共 13 行

public  class stringBufferExam{
	public static void main(String args[]) {
		StringBuffer str1=new StringBuffer("I love my motherland!");
		StringBuffer str2=new StringBuffer( );
		str2.append("as well as love myself,");
		StringBuffer str3=new StringBuffer(2);    //创建大小为2的对象
		str3.append("Welcome come to BeiJing."); //动态改变对象的大小
		System.out.println("str1=" + str1);
		System.out.println("str2=" + str2);
		System.out.println("str3=" + str3);
   }
}