Which is a reserved word in the java programming language?

Correct Answer: Stored procedure should return error code if some operation fails but if stored procedure itself fail than catching SQLException is only choice

Correct Answer: When we create string with new() Operator, it?s created in heap and not added into string pool while String created using literal are created in String pool itself which exists in PermGen area of heap String s = new String("Test"); does not put the object in String pool , we need to call Stringintern() method which is used to put them into String pool explicitly its only when you create String object as String literal eg String s = "Test" Java automatically put that into String pool

Correct Answer: When writing Nodejs applications, ending up with hundreds or even thousands of dependencies can easily happen For example, if you depend on Express, you depend on 27 other modules directly, and of course on those dependencies' as well, so manually checking all of them is not an option! The only option is to automate the update / security audit of your dependencies For that there are free and paid options: 1 npm outdated 2 Trace by RisingStack 3 NSP 4 GreenKeeper 5 Snyk

Correct Answer: use super keyword super keyword points immediate super class Class Sample { int a =23; } Class Sub extends Sample { String a = "bablu"; void show() { Systemoutprintln(a); //bablu System out println(thisa); //bablu System outprintln(supera); //23 } } Class Demo { Public static void main(string[] args) { sub s = new Sub(); sshow(); } }

Correct Answer: Type 4 (JDBC Net pure Java Driver) is the fastest JDBC driver Type 1 and Type 3 drivers will be slower than Type 2 drivers (the database calls are make at least three translations versus two), and Type 4 drivers are the fastest (only one translation)

Correct Answer: an object-oriented scripting language

Explanation:

JavaScript, often abbreviated as JS, is a high-level, interpreted programming language that conforms to the ECMAScript specification.

 

JavaScript has

* curly-bracket syntax,

* dynamic typing,

* prototype-based object-orientation, and

* first-class functions.

 

Uses :

It is well-known as the scripting language for Web pages, many non-browser environments also use it, such as Node.js, Apache CouchDB and Adobe Acrobat.

Correct Answer: Yes, it is possible to nest functions in javascript

Correct Answer: Function: A Function is a block of statement which perform some operation Declaring the function before using the function in program is known as implicit declaration of the function For Example:: int bar(void); // function (forward) declaration int main(void) { bar(); // bar was declared, the compiler has all the info return foo(123); // foo not yet known; impl decl warning } // not previously declared function definition int foo(int a) { return a; } // previously declared function definition int bar() { return 321; }

Correct Answer: None of the above

Explanation:

A class can have any number of constructors. If a class have more than one constructor, we call it as the constructor is overloaded.

Correct Answer: The Apple compilers are based on the compilers of the GNU Compiler Collection