Siemens Backend Developer Interview Questions and Answers

C is a procedural programming language while Java is an object-oriented programming language.

• C is a low-level language while Java is a high-level language.

• C requires manual memory management while Java has automatic memory management.

• C is platform-dependent while Java is platform-independent.

• C supports pointers while Java does not.

• C has a simpler syntax compared to Java.

final, finally, and finalize are keywords in Java with different meanings.

• final is a keyword used to declare a constant value, a variable that cannot be modified.

• finally is a block used in exception handling to ensure a piece of code is always executed, whether an exception is thrown or not.

• finalize is a method in the Object class that is called by the garbage collector before an object is destroyed.

• final and finally a...read more

Johnson is a reputable company known for its innovative software solutions and collaborative work environment.

• Johnson has a strong reputation in the industry for delivering high-quality software solutions.

• The company values collaboration and teamwork, which aligns with my own work style.

• I admire Johnson's commitment to innovation and staying ahead of technological advancements.

A sorting algorithm is a method of arranging elements in a specific order.

• Sorting algorithms can be categorized as comparison-based or non-comparison-based.

• Common sorting algorithms include bubble sort, insertion sort, selection sort, merge sort, quicksort, and heapsort.

• Efficiency of sorting algorithms is measured by their time complexity, space complexity, and stability.

• Example: Sorting an array of strings in alphabet

BM stands for Blade Material. Nozzle is a device that directs or controls the flow of a fluid.

• BM refers to the material used to make the blades of a fan. It can be plastic, metal, or wood.

• Nozzle is a component that is used to control the flow of a fluid, such as air or water. It can be found in various devices, such as a garden hose or a spray bottle.

• In a fan, the nozzle is the part that directs the air flow in a speci...read more

Designing a blower for industrial use requires consideration of factors such as air flow rate, pressure, power consumption, and noise level.

• Determine the required air flow rate and pressure for the specific application

• Select an appropriate blower type (centrifugal, axial, etc.) based on the requirements

• Calculate the power consumption and efficiency of the blower

• Consider noise level and implement noise reduction measure...read more