What about interthread communication and how it takes place in java?
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What is the difference between processes and threads?
What is mnemonic code?
Why we used break and continue statement in java?
Can You Have Virtual Functions In Java?
Does a class inherit the constructors of its superclass in java programming?
Is java a virus?
What is the char data type?
Consider that class classA, abstract class classB, and final classC have been defined.Which one of the following is correct? 1. classA extends classC implements classB 2. class A extends classB, classC 3. classA extends classB 4. classB implements classC
What is null statement?
Detail discussions on JVM, memory management and garbage collector.
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
There are 2 methods in a class. Both have the same method signature except for return types. Is this overloading or overriding or what is it?