Can we override singleton class?
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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
What does string mean in java?
State the difference between strings and arrays.
Can a class have more than one object?
What is the method used to get the absolute value of a number?
Why put method is used?
why the primitive data type have classes?
What is a default constructor and also define copy contrucyor?
How do you change an int to a string?
What is the SimpleTimeZone class?
Can we restart a thread already started in java?
What is string in java is it a data type?