Java.Lang Assembly: Mono.Android.dll Deletes a sequence of characters specified bystartandend. C# [Android.Runtime.Register("delete","(II)Ljava/lang/StringBuilder;","")]publicJava.Lang.StringBuilderDelete(intstart,intend); Parameters start ...
String builder sb = new StringBuilder(); sb.append("hello").append("Jello"); sb.delete(0,6); //e.g. you somehow thought that hello is of length 6 sb.toString(); 找一个Jello你应该弄清楚原因。你的虫子。不是我的。如果你做了sb.delete(0,7);并且得到了一个ello,那么你就应该找出原因。
delete public StringBuilder delete(int start, int end) Removes the characters in a substring of this sequence. The substring begins at the specified start and extends to the character at index end - 1 or to the end of the sequence if no such character exists. If start is equal to end, ...
but I can't see any method similar to the .NETStringBuilder.Clearin the documentation, just thedeletemethod which seems overly complicated.我在循环中使用StringBuilder,每隔x次迭代,我想将其清空并从一个空的StringBuilder开始,但是在文档中看不到任何类似于.NETStringBuilder....
StringBuilder delete(int start, int end) //删除[start,end)之间的字符 StringBuilder deleteCharAt(int index) //删除index下标的字符 void getChars(int start, int end, char[] dst, int dstStart) //获取将[start,end)间的字符填充到到dst中,dstStart为开始位置 ...
System.out.println(sb);//YuZhen Fengnb//删sb.delete(2,6);//删除位置在[2,6)上的字符System.out.println(sb);//Yu Fengnbsb.deleteCharAt(1);//删除位置在1上的字符System.out.println(sb);//Y Fengnb//改-->插入sb =newStringBuffer("YuZhen Feng"); ...
java.lang.StringBuffer代表可变的字符序列,可以对字符串内容进行增删。 很多方法与String相同,但StringBuffer是可变长度的。 StringBuffer是一个容器。 publicclassStringBuffer01{publicstaticvoidmain(String[] args){//老韩解读//1. StringBuffer 的直接父类 是 AbstractStringBuilder//2. StringBuffer 实现了 Seriali...
那为啥就线程不安全呢？在StringBuilder的源码中，各种修改字符串内容的方法（如append、insert、delete等）...
Method java/lang/StringBuilder.append:(I)Ljava/lang/StringBuilder; //调用toString方法,并将产生的String存入栈顶 26: invokevirtual #7 // Method java/lang/StringBuilder.toString:()Ljava/lang/String; 29: astore_1 30: iinc 2, 1 33: goto 5 36: getstatic #8 // Field java/lang/System.out:...
The argument is converted to a string as if by the method String.valueOf, and the characters of that string are then appended to this sequence. 参数: obj - an Object. 返回: a reference to this object. 另请参见: String.valueOf(java.lang.Object), append(java.lang.String)append...