1) What is the difference between static variables and instance variables? Answer: The below is the answer for this question: static variables are common variables who’s values will be stored in Class memory. instance variables are object specific variables who’s values will be stored in individual object’s memory. For detailed answer with practical examples and…
1) What are Primitive and Non-Primitive Data Types? Answer: The below is the answer for this question: Data Types that are non-object oriented are know as Primitive Data Types. Examples for Primitive Data Type: byte,short,int,long,float,double,char and boolean Data Types that are object oriented are known as Non-Primitive Data Types. Examples for Non-Primitive Data Type: String,…
1) What are the differences between methods and constructors? Answer: The below is the answer for this question: When compared to Methods: 1. Constructors won’t have any return type 2. Constructors should have the same as the Class name 3. Constructors are automatically called when objects are created For detailed answer with practical examples and…
1) What is the difference between == and equals()? Answer: The below is the answer for this question: == operator compares the string objects, where as equals() function compares the text stored in the string objects. public class Demo{ public static void main(String[] args) { String a = new String("Hello" ); String b = new…
1) What is the output of System.out.println(10+20+”Hello”+”World”);? Answer: The below is the answer for this question: public class Demo{ public static void main(String[] args) { System.out.println(10+20+"Hello"+"World"); } } Output: 30HelloWorld For detailed answer with practical examples and explanation of this answer, you can check the below youtube video: 2) What is the output of System.out.println(“Hello”+”World”+10+20);? Answer:…
1) Is String a data type? Answer: The below is the answer for this question: String is a predefined Class in Java, and hence it is not a data type. For detailed answer with practical examples and explanation of this answer, you can check the below youtube video: 2) What is the difference between Print…
1) What are the different types of Sub Queries? Answer: The below is the answer for this question: There are two types of Sub Queries: Single Row Sub Query Multi-Row Sub Query For detailed answer with practical examples and explanation of this answer, you can check the below youtube video: 2) What is distinct? Answer:…
SQL Interview Questions and Answers – Part 1 1) Write an SQL Query to find the names of the employees starting with ‘A’? Answer: The below is the answer for this question: Select name from Employees where name like 'A%'; For detailed answer and explanation of this answer, you can check the below youtube video:…
The below are the detailed eBooks and Guides being provided by QAFox: Selenium Overview eBook Mobile Testing Detailed Guide Happy Learning 🙂 About Me > Arun Motoori On a mission to contribute to the Software Testing Community in all possible ways.…
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