Java Writer hashCode()用法及代码示例

Java中的Writer类的hashCode()方法用于获取此Writer实例的HashCode值。此方法不接受任何参数，并返回所需的int值。

用法:

public int hashCode()

参数：此方法接受不接受任何参数。

返回值：此方法返回一个int值，该值是Writer实例的HashCode值。

下面的方法说明了hashCode()方法的用法方式：

示例1:

// Java program to demonstrate 
// Writer hashCode() method 
  
import java.io.*; 
  
class GFG { 
    public static void main(String[] args) 
    { 
  
        try { 
  
            // Create a Writer instance 
            Writer writer 
                = new PrintWriter(System.out); 
  
            // Get the String 
            // to be written in the stream 
            String string = "GeeksForGeeks"; 
  
            // Write the string 
            // to this writer using write() method 
            writer.write(string); 
  
            // Get the HashCode value using hashCode() 
            System.out.println("HashCode value: "
                               + writer.hashCode()); 
        } 
        catch (Exception e) { 
            System.out.println(e); 
        } 
    } 
}

输出：

HashCode value: 589431969

示例2:

// Java program to demonstrate 
// Writer hashCode() method 
  
import java.io.*; 
  
class GFG { 
    public static void main(String[] args) 
    { 
  
        try { 
  
            // Create a Writer instance 
            Writer writer 
                = new PrintWriter(System.out); 
  
            // Get the String 
            // to be written in the stream 
            String string = "GFG"; 
  
            // Write the string 
            // to this writer using write() method 
            writer.write(string); 
  
            // Get the HashCode value using hashCode() 
            System.out.println("HashCode value: "
                               + writer.hashCode()); 
        } 
        catch (Exception e) { 
            System.out.println(e); 
        } 
    } 
}

输出：

HashCode value: 589431969

相关用法

注：本文由纯净天空筛选整理自Code_r大神的英文原创作品 Writer hashCode() method in Java with Example。非经特殊声明，原始代码版权归原作者所有，本译文未经允许或授权，请勿转载或复制。