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HackerRank supports different types of questions across multiple programming languages. The test includes questions based on the role you have applied for and the skills required by the company. After you open the test link from your invitation, you can see the type of questions present in the test.

Solution: import java.io.*; import java.math.*; import java.security.*; import java.text.*; import java.util.*; import java.util.concurrent.*; import java.util.function.*; import java.util.regex.*; import java.util.stream.*; import static java.util.stream.Collectors.joining;

Prepare Java Java Welcome to Java! EasyMax Score: 3Success Rate: 97.20% Solve Challenge Java Stdin and Stdout I EasyJava (Basic)Max Score: 5Success Rate: 97.23% Solve Challenge Java If-Else EasyJava (Basic)Max Score: 10Success Rate: 91.28% Solve Challenge Java Stdin and Stdout II EasyJava (Basic)Max Score: 10Success Rate: 92.50% Solve Challenge

SQL is an industry-standard query language that works with relational databases. Unlike some earlier systems, queries are performed at the server and only the results are passed to a client. This resulted in the ability to work with large databases efficiently over a network.