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import java.util.Iterator;
import java.util.Properties;
public class sysEnv {
public static void main(String args[]) {
Properties props = System.getProperties();
Iterator iter = props.keySet().iterator();
while (iter.hasNext()) {
String key = (String) iter.next();
System.out.println(key + " = " + props.get(key));
}
}
}
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*/
public static void main(String[] args) {
long time1 = System.currentTimeMillis();
long time2 = System.currentTimeMillis();
while (true) {
while ((time1 - time2) < 30)
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