NatWest Group Software Engineer Interview Questions and Answers

The 'with' keyword in Python is used for resource management and ensures that clean-up actions are performed.

• Used for managing resources like files, sockets, etc.

• Automatically closes the resource when the block of code is exited

• Helps in avoiding resource leaks and ensures proper clean-up

• Follows the context management protocol

Resolve merge conflict by communicating with the other developer, reviewing changes, and using version control tools.

• Communicate with the other developer to understand their changes and discuss how to resolve the conflict.

• Review the conflicting changes in the code to identify the differences and decide which changes to keep.

• Use version control tools like Git to merge the changes manually or use tools like Git's me...read more

Program for Binary Search

• Binary search is an efficient algorithm for finding an element in a sorted array.

• It works by repeatedly dividing the search space in half.

• The array must be sorted in ascending order for binary search to work.

• The algorithm compares the target value with the middle element of the array.

• If they are equal, the search is successful. If not, the search continues in the left or right half of the ...read more

Java code compile process involves several steps including preprocessing, compilation, and bytecode generation.

• Java code is first preprocessed to handle import statements and macros.

• The code is then compiled into bytecode using the Java compiler (javac).

• The bytecode is platform-independent and can be executed on any Java Virtual Machine (JVM).

• During compilation, the code is checked for syntax errors and type safet...read more

JVM is a virtual machine that executes Java bytecode. JRE is a runtime environment that includes JVM and libraries. JDK is a development kit that includes JRE and tools for developing Java applications.

• JVM stands for Java Virtual Machine and is responsible for executing Java bytecode.

• JRE stands for Java Runtime Environment and includes JVM, libraries, and other components required to run Java applications.

• JDK stan...read more

Python is a high-level programming language used for various applications. Spark is a distributed computing framework for big data processing.

• Python is easy to learn and has a large community for support.

• Spark is used for processing large datasets and can handle data from various sources.

• Python can be used with Spark to perform data analysis and machine learning tasks.

• Spark provides APIs for programming in Java, S...read more