Java StringBuilder reverse（）方法与示例-优快云博客

本文详细介绍了Java中StringBuilder类的reverse()方法，该方法用于反转字符序列，属于java.lang包。reverse()方法是非静态的，只能通过StringBuilder对象调用。文章通过示例展示了如何使用该方法反转字符串。

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StringBuilder类reverse()方法 (StringBuilder Class reverse() method)

reverse() method is available in java.lang package.
reverse()方法在java.lang包中可用。
reverse() method is used to reverse this character sequence by the reverse of the sequence.
reverse()方法用于通过反转字符序列来反转该字符序列。
reverse() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.
reverse()方法是一个非静态方法，只能通过类对象访问，如果尝试使用类名称访问该方法，则会收到错误消息。
reverse() method does not throw an exception at the time of reversing this character sequence.
reverse()方法在反转此字符序列时不会引发异常。

Syntax:

句法：

    public StringBuilder reverse();

Parameter(s):

参数：

It does not accept any parameter.
它不接受任何参数。

Return value:

返回值：

The return type of this method is StringBuilder, it returns a reference to this StringBuilder object.

该方法的返回类型为StringBuilder ，它返回对此StringBuilder对象的引用。

Example:

例：

// Java program to demonstrate the example 
// of StringBuilder reverse() method of StringBuilder 


public class Reverse {
    public static void main(String[] args) {
        // Creating an StringBuilder object
        StringBuilder st_b = new StringBuilder("Java World ");

        // Display st_b 
        System.out.println("st_b = " + st_b);

        // By using reverse() method is to reverse the characters
        // of this st_b object
        st_b.reverse();

        // Display reversible st_b
        System.out.println("st_b.reverse() = " + st_b);
    }
}

Output

输出量

st_b = Java World 
st_b.reverse() =  dlroW avaJ

翻译自: https://www.includehelp.com/java/stringbuilder-reverse-method-with-example.aspx