package MyString;
/*
添加功能
public StringBuilder append(任意类型):添加数据,并返回自身对象
反转功能
public StringBuilder reverse():将字符串反转
*/
public class StringBuilderFunction {
public static void main(String[] args) {
StringBuilder sb=new StringBuilder();
StringBuilder sb1=sb.append("hello");//不能用String接收,创建对象不一致
System.out.println("sb:"+sb);
System.out.println("sb1:"+sb1);
System.out.println("sb==sb1? "+(sb==sb1));
//添加功能 :public StringBuilder append(任意类型):添加数据,并返回自身对象
sb.append("world");
sb.append("超人强777");
System.out.println("sb:"+sb);
sb1.append("world").append("超人强777").append(123);//链式编程,“.”前的说明是一个对象
System.out.println("s1:"+sb1);
//反转功能 :public StringBuilder reverse():将字符串反转
sb.reverse();
System.out.println("sb.reverse():"+sb);
}
}
StringBuilder add and reverse function (append and reverse)
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Origin blog.csdn.net/m0_52646273/article/details/114869024
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