How do singleton patterns work?
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how a programmer confirms that the data submitted has been succesfully inserted into the database(either oracle or my sql).. How a programmer confirm if there is any problem with the program he wrote for insertion... ANS:--- >executeupdate method is having boolean return type, if anything goes wrong in data insertion or data updation, it would return false. otherwise, if it successfully inserts data into the database, it would return true NOW HOW TO I CHECK IN MY DURING EXECUTION WHETHER IT RETURNS TRUE OR FALSE... WELL IT WILL DISPLAY ANY MESSAGE OR NOT
How do you escape json?
What is collection class in java?
Explain the term serialization?
Is ruby built on java?
What are Interceptors?
Why enumeration is faster than iterator?
What is java virtual machine and how it is considered in context of java’s platform independent feature?
what is use of session tracking ?with example?
What are methods in java?
How do you create a sop?
What is the program compilation process?