propertiestest.java

来自「北大Java 语言程序设计 ppt课件及源码」· Java 代码 · 共 19 行

import java.io.FileInputStream;
import java.util.Properties;

public class PropertiesTest {
    public static void main(String[] args) throws Exception {
        // set up new properties object
	// from file "myProperties.txt"
        FileInputStream propFile = new FileInputStream(
                                           "myProperties.txt");
        Properties p = new Properties(System.getProperties());
        p.load(propFile);

        // set the system properties
        System.setProperties(p);
	// display new properties
        System.getProperties().list(System.out);
    }
}