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import java.util.Properties;
public class ConfigReader {
private static Properties cache = new Properties();
static{
   try {
    cache.load(ConfigReader .class.getClassLoader().getResourceAsStream("config.properties"));
   } catch (Exception e) {
    e.printStackTrace();
   }
}
static String getValue(String key){
   return cache.getProperty(key);
}
}
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name=kelvin
age=23
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import java.util.regex.*;
import java.util.Scanner;
public class GuoLv{
    public static void main(String args[]){
       Scanner    reader    = new Scanner(System.in);
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