java160117StringBufferDemo

/**

* StringBuffer是字符串缓冲区

* 是一个容器:

* 1,长度可变化

* 2 操作多个自居类型

* 3,toString()变成字符串

*/

package java160117;

/**

* @author LiZheng

*

*/

public class StringBufferDemo {

/**

* @param args

*/

public static void main(String[] args) {

StringBuffer sbBuffer = new StringBuffer();

// StringBuffer sbStringBuffer = sbBuffer.append(34);

//

// sop("sbBuffer==sbStringBuffer :"+(sbBuffer==sbStringBuffer));

// sop(sbBuffer.toString());

// sop(sbStringBuffer.toString());

sbBuffer.append("abc").append(true).append(34);

}

public static void sop(String str) {

System.out.println(str);

}

}