How to create React project using vs code
Solution :- Step -1 :- Firstly open vs code and make sure you have installed node is and npm in your system. step- 2 :- Now go to View option and select “Terminal” option step-3 :- now in Terminal write …
Author: Innovate Journey
Mastering the Coding Interview: A 90-Day Roadmap to Conquer Data Structures and Algorithms for FANG Companies
Plan A Preparing for interviews at top tech companies like Facebook, Amazon, Netflix, and Google (FANG) requires a well-structured and comprehensive plan. Here’s a 90-day preparation agenda focusing on Data Structures and Algorithms: Days 1-30: Foundations and Basics Days 31-60: …
What is the difference between StringBuffer and Stringbuilder ?
Ans :- these are the difference between String Buffer and String Builder s.No String Buffer String Builder 1. StringBuffer is Synchronized StringBuilder is non Synchronized 2. StringBuffer is thread safe StringBuilder is not thread safe 3 StringBuffer is less efficient …
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Q.we have two tables one is Employee table and another is city table in Employee table we have empId,empName and cityId and in City table we have cityId,cityName and stateName JOIN two tables WHERE empId =100 please write a Query for this.
Solution :- SELECT e.empId,e.empName,e.cityId,c.cityName,c.stateName FROM Employee eJOIN City c ON e.cityId = c.cityIdWHERE e.empId =100;
Happy new Year 2024
Happy New Year 2024
What is the difference between JDK,JRE & JVM ?
Ans :- JDK :- JDK stands for “Java Development Kit” and which is the collection of the following : – 1. JavaCompiler 2.JVM 3.Java Library JRE :- JRE stands for “Java Runtime environment” which is the collection of JVM and …
Q. Write a simple program to swap the numbers.
Like if we have – a=20; b=30; I want a=30; and b=20; SOLUTION :- package p1; public class SwapNumbers { }
How to sort elements in Ascending and Descending Order?
SOLUTION :- package mv; import java.util.ArrayList;import java.util.Collections;import java.util.List; public class AscendingAndDescendingIntegers { }