Backend Java Developer
Backend Java Developer Interview Questions and Answers for Freshers
Q1. Take a list and find the list containing prime numbers in list, Find the highest salary of employees using streams and also basic SQL queries on joins
Use Java streams to filter prime numbers from a list, find highest employee salary, and demonstrate basic SQL joins.
Use Java streams to filter prime numbers from the list
Use streams to find the highest salary of employees
Demonstrate basic SQL queries for joins
Q2. What is JVM ? What is JRE ? What is Multithreading ? JDBC Loop
JVM is a virtual machine that executes Java bytecode. JRE is a runtime environment for Java programs. Multithreading is the ability of a program to execute multiple threads concurrently. JDBC is a Java API for connecting to databases. Loop is a control structure that allows a program to repeat a set of instructions.
JVM executes Java bytecode
JRE provides a runtime environment for Java programs
Multithreading allows for concurrent execution of threads
JDBC is used for connecting ...read more
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