package StringBuilder;
public class Stringbuilder {
public static void main(String[] args) {
StringBuilder stringbuilder1=new StringBuilder();//创建一个空白的可变的字符串对象，不包含任何内容
stringbuilder1.append("我爱你");
stringbuilder1.append("中国").append("好美");//appand方法会返回当前对象 stringbuilder1所以可以连写
System.out.println(stringbuilder1);
System.out.println("-------------------------------------------------------");
stringbuilder1.reverse();//该方法也会返回当前对象
System.out.println(stringbuilder1);
System.out.println("-------------------------------------------------------");
System.out.println("stringbuilder1:的长度是"+stringbuilder1.length());
//开发中需要将StringBuilder类型转换为String类型
String s=stringbuilder1.toString();
GO(s );
}
public static void GO(String d){
}
}
