Java Writer hashCode()用法及代碼示例

Java中的Writer類的hashCode()方法用於獲取此Writer實例的HashCode值。此方法不接受任何參數，並返回所需的int值。

用法:

public int hashCode()

參數：此方法接受不接受任何參數。

返回值：此方法返回一個int值，該值是Writer實例的HashCode值。

下麵的方法說明了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); 
        } 
    } 
}

輸出：

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); 
        } 
    } 
}

輸出：

HashCode value: 589431969

相關用法

注：本文由純淨天空篩選整理自Code_r大神的英文原創作品 Writer hashCode() method in Java with Example。非經特殊聲明，原始代碼版權歸原作者所有，本譯文未經允許或授權，請勿轉載或複製。