Configuring proxy settings in Java

System.getProperties().put("http.proxyPort", "someProxyPort");
System.getProperties().put("http.proxyUser", "someUserName");
System.getProperties().put("http.proxyPassword", "somePassword");
System.getProperties().put("http.proxyHost", "someProxyURL");

Courtesy by: Harish Gokavarapu

How to get the Date and Time for client TimeZone in Java class

You need to get the timeZoneOffSet from browser by using the following javascript snippet:

<script type="text/javascript">
   var dateObj = new Date()
   var timeZoneOffsetInMins = dateObj.getTimezoneOffset();
   document.getElementById("bTimeZoneOffset").value = timeZoneOffsetInMins;
</script>

<form>
  <input id="bTimeZoneOffset" type="hidden" />
</form>

Java Class Method:::
private String getClientDateTime(String strFormat, long timeZoneOffSet){
    SimpleDateFormat sdf = new SimpleDateFormat(strFormat);
    TimeZone timeZone= TimeZone.getTimeZone("UTC");

    if(timeZoneOffSet < 0){
        timeZoneOffSet = -1 * timeZoneOffSet;
    }
    timeZoneOffSet = timeZoneOffSet * 60000;
    timeZone.setRawOffset(timeZoneOffSet);
    
    sdf.setTimeZone(timeZone);
    
    return sdf.format(new Date());
}