StringBuffer类reverse() (StringBuffer Class reverse())

• This method is available in package java.lang.StringBuffer.reverse().

  软件包java.lang.StringBuffer.reverse()中提供了此方法。

• This method is used to reverse the representation of the objects.

  此方法用于反转对象的表示。

• This method does not raise an exception during runtime.

  该方法在运行时不会引发异常。

Syntax:

句法：

StringBuffer reverse(){    }

Parameter(s):

参数：

We don't pass any object as a parameter in the method of the StringBuffer.

在StringBuffer的方法中，我们不传递任何对象作为参数。

Return value:

返回值：

The return type of this method is StringBuffer that means this method returns a reference to this object.

该方法的返回类型为StringBuffer ，这意味着该方法返回对该对象的引用。

Java程序演示reverse()方法的示例 (Java program to demonstrate example of reverse() method)

import java.lang.StringBuffer;public class StringBufferClass {
       public static void main(String[] args) {
           StringBuffer sb = new StringBuffer("Java is a programming language");        // use reverse() it will reverse the characters of the sb object.        // Display result after reversing string sequence        System.out.println("The result will be after reversing a string :" + sb.reverse());        sb = new StringBuffer(123456);        // use reverse() it will reverse the integers        // Display result after inserting        System.out.println("The result will be after reversing an string object :" + sb.reverse());    }}

Output

输出量

D:\Programs>javac StringBufferClass.javaD:\Programs>java StringBufferClassThe result will be after reversing a string :egaugnal gnimmargorp a si avaJThe result will be after reversing an integer object :654321

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