java读写Properties文件

 

 

 

 

 

 

Java

 

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import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.util.Properties;   public class Main {           public static void main(String[] args) {                 Properties property = new Properties();                 try {                         File file = new File("c:/db.properties");                         if (!file.exists()) {                                 file.createNewFile();                         }                         // 写入                         property.setProperty("database", "localhost");                         property.setProperty("user", "javaniu");                         property.setProperty("password", "password");                         property.store(new FileOutputStream(file), null);                           property.load(new FileInputStream(file));                           // 读取                         System.out.println(property.getProperty("database"));                         System.out.println(property.getProperty("user"));                         System.out.println(property.getProperty("password"));                 } catch (IOException e) {                         e.printStackTrace();                 }         } }