서버측 메모리 사이즈 확인

<%@ page import = "java.text.NumberFormat"%>

<%@ page import = "java.text.DecimalFormat"%>

<%@ page import = "java.text.NumberFormat"%>

<meta http-equiv="Refresh" content="1;url=test.jsp">

<%!

String getMoneyFormat (String str) {

    double result = Double.parseDouble (str);

    NumberFormat nf = NumberFormat.getInstance ();

    if (nf instanceof DecimalFormat) {

        ((DecimalFormat) nf).setDecimalSeparatorAlwaysShown (false);

    }

    return nf.format((int) result);

}

%>

<%

Runtime rt = Runtime.getRuntime();

%>

Total size: <%=getMoneyFormat (Long.toString (rt.totalMemory()))%>

<br>free size: <%=getMoneyFormat (Long.toString (rt.freeMemory()))%>

<br>Heap size: <%=getMoneyFormat (Long.toString (rt.totalMemory()-rt.freeMemory()))%>