One of the most frequently asked Java interview question to experience Java programmer of 4 to 5 years of experience. I have seen this question on big companies likeMorgan Stanley,JP Morgan, Nomura and other banks e.g. Barclays capital. SeeHow HashMap works internally in Javafor detailed answ...
Difference between Vector and Arraylist is the most common Core Java Interview question you will come across in Collection . This question is mostly used as a start up question by the Interviewers before testing deep roots of the Collection . Vector , ArrayList classes are implemented using dynamic...
java interview question:what do we mean when we say memory is managed in java? what is the garbage collector? in languages like c the developer has direct access to memory. the code literally references memory space addresses. this can be difficult and dangerous, and can result in damaging m...
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private void writeObject(java.io.ObjectOutputStream out) throws IOException private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException These methods are already discussed in great details under article Everything You Need to Know About Java Serialization. readObjectNo...
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Derived column implicit DT_STR to DT_WSTR conversion question (SSIS 2008 SP1) Derived Column Task failing with error 0xC0049067 derived column task in ssis 2012, the length can't not change manually. Destination: Cannot locate the mapping file to map the provider types to SSIS types Develop...
Given the minimal hardware requirements, we selected an entry level mobile phone (NOKIA 2626), which was priced at ZAR400 (US$40) in South Africa at the time of the survey. Surveys were billed per individual question completed. In this survey, the cost per completed survey was US $0.30 ...
Setting the bar high in our approach to hiring has been, and will continue to be, the single most important element of Amazon.com's success. It's not easy to work here (when I interview people I tell them, “You can work long, hard, or smart, but at Amazon.com you can't ...