1
BThis是我的代码:无法使用StringBuilder来连接字符转换为字符串
public static void main(String[] args)
{
String teacherName = "Benjamin Brown";
int teacherSecondInitialIndex = (teacherName.indexOf(" ") + 1);
String teacherInitials = new StringBuilder(teacherName.charAt(0)).append(teacherName.charAt(teacherSecondInitialIndex)).toString();
System.out.println(teacherInitials);
}
我想打印出来teacherName的缩写,这将是“BB”。但只有“B”正在打印出来。什么是问题?
为什么它是“BG”而不是“BB”? – AntonH
我不好,你说得对。编辑它。 –