Highlight: Sample Style = berries-dark

import java.util.Enumeration;

class env {
    public static void main(String args[]) {
        try {
            for (Enumeration e = System.getProperties().propertyNames() ; e.hasMoreElements() ;) {
                String s = e.nextElement().toString();

                System.out.println( "KEY: " + s );
                System.out.println( "VAL: " + System.getProperty( s ) );
                System.out.println();
            }
        }
        catch (Exception err) {
            err.printStackTrace();
        }
    }
}

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