package cn.zmh.Buffer;
public class StringBufferDemo {
public static void main(String[] args) {
print3();
}
//append将任意类型添加到缓冲区
public static void print(){
StringBuffer bu = new StringBuffer();
bu.append(65).append("jfkajlf").append(true).append(10.5464);
System.out.println(bu);
}
//删除的时候结尾位置减去1;
public static void print1(){
StringBuffer bu = new StringBuffer();
bu.append("hslaskf");
bu.delete(1,3);
System.out.println(bu);
}
//insert插入
public static void print2(){
StringBuffer bu = new StringBuffer();
bu.append("hello");
bu.insert(2,"你好");
System.out.println(bu);
}
//replace 替换
public static void print3(){
StringBuffer bu = new StringBuffer();
bu.append("杰克逊每天都练舞蹈");
bu.replace(0,3,"mary");//替换
System.out.println(bu);
}
//reverse 反转
public static void print4(){
StringBuffer bu = new StringBuffer();
bu.append("我爱我家");
bu.reverse();
System.out.println(bu);
}
//toString
public static void print5(){
StringBuffer bu = new StringBuffer();
bu.append("我喜欢在白纸上画画 画出我笨拙的自由");
bu.append(156464464);
String s = bu.toString();
System.out.println(s);
}
}
API StringBuffer类例子
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转载自www.cnblogs.com/zhangmenghui/p/10562177.html
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