用 Java 取得所有系統變數
[code]import java.util.*;
import java.util.Map.*;
public class ShowSysVar {
public static void getSysProp() {
Properties props = System.getProperties();
Set<Entry<Object,Object>> res = props.entrySet();
Iterator it = res.iterator();
while (it.hasNext()) {
Map.Entry e = (Map.Entry)it.next();
System.out.println(e.getKey() + "=" + e.getValue());
}
}
public static void main(String args[]) {
getSysProp();
}
}
[/code]
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