Small java program showing a sorted list of all java system properties. Useful for debugging, e.g. encoding issues. Compile and run with "javac ShowSystemProperties.java; java ShowSystemProperties".

ShowSystemProperties.java

import java.util.Map;
import java.util.Properties;
import java.util.TreeMap;

/**
 * Shows a sorted list of all system properties
 */
public class ShowSystemProperties {

    public static void main(String[] argv) {
        Properties props =  System.getProperties();
        Map<Object,Object> sorted = new TreeMap<>(props);

        for(Map.Entry<Object,Object> e : sorted.entrySet()) {
            System.out.println(e);
        }
    }
}