Siemens Interview Question for Software Engineer / Developers






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Serializable and Externalizable both are used to persist the state of object into a file or byte stream.serializable is marker interface having no methods in it.while Externalizable have two methods readExternal(),writeExternal() to control the processing of seriliazation.externazable extends serializable interface.

- vijai August 03, 2010 | Flag Reply
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difference between
echo serialize("29.99"); and echo serialize(29.99);

- atul.maurya7 April 25, 2011 | Flag Reply
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serializable is a marker interface.By using this we can send the state of an object into a byte stream.
but in externalizable interface we send the state of an object in a compressed format. it is not a marker interface. have 2 methods, readExternal(), writeExternal()

- sujala February 01, 2016 | Flag Reply
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it is not marker interface

- sujala February 01, 2016 | Flag Reply


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