StringBuilder stringBuilder = new StringBuilder("Hello"); String str = stringBuilder.toString(); 要将StringBuilder中的字符顺序反转,可以使用StringBuilder的reverse()方法。该方法会将StringBuilder对象中的字符顺序进行反转。 示例代码: 代码语言:txt 复制 StringBuilder stringBuilder = new StringBuilder("Hello"); s...
StringBuildersb=newStringBuilder(); System.out.println("sb:"+sb); System.out.println("sb.length():"+sb.length()); StringBuildersb2=newStringBuilder("abdcdd"); System.out.println("sb2:"+sb2); System.out.println("sb2.length():"+sb2.length()); StringBuildersb3=sb2.append("eee"); Syst...
Console.WriteLine(string.Equals(expected, StringReverse.ReverseByStringBuilder(a))); Console.WriteLine(string.Equals(expected, StringReverse.ReverseByStringBuilder2(a))); Console.WriteLine(string.Equals(expected, StringReverse.ReverseByStack(a))); Console.WriteLine(string.Equals(expected, StringReverse.Rever...
String 和StringBuilder区别: 1 String对象恒定不变,stringbuilder对象表示的字符串是可变的 每一次修改Str...
stringBuffer.reverse(); System.out.println(stringBuffer); } 也来看一下它的源代码 最后总结一下 String的字符串是不可变的,StringBuffer和StringBuilder是可变的String:是字符常量,适用于少量的字符串操作的情况。StringBuilder:线程不安全的,适用于单线程下在字符缓冲区进行大量操作的情况。StringBuffer:线程不安全的...
(string title, IEnumerable myList) { Console.Write("{0,10}: ", title); StringBuilder sb = new StringBuilder(); foreach (string s in myList) { sb.AppendFormat("{0}, ", s); } sb.Remove(sb.Length - 2, 2); Console.WriteLine(sb); } } public class ReverseStringComparer : I...
Reverse<TSource>(IEnumerable<TSource>) Inverts the order of the elements in a sequence. Select<TSource,TResult>(IEnumerable<TSource>, Func<TSource,TResult>) Projects each element of a sequence into a new form. Select<TSource,TResult>(IEnumerable<TSource>, Func<TSource,Int32,TResult>...
Reverse<TSource>(IEnumerable<TSource>) Inverts the order of the elements in a sequence. Select<TSource,TResult>(IEnumerable<TSource>, Func<TSource,TResult>) Projects each element of a sequence into a new form. Select<TSource,TResult>(IEnumerable<TSource>, Func<TSource,Int32,TResult>...
(string title, IEnumerable myList) { Console.Write("{0,10}: ", title); StringBuilder sb = new StringBuilder(); foreach (string s in myList) { sb.AppendFormat("{0}, ", s); } sb.Remove(sb.Length - 2, 2); Console.WriteLine(sb); } } public class ReverseStringComparer : I...
47)The StringBuilder methods ___ not only change the contents of a string buffer, but also returns a reference to the string buffer. (Choose all that apply.) 47) ___ A)insert B)replace C)delete D)append E)reverse 48)___ returns...