IBM Interview Questions and Answers

Transitioned to PHP for its widespread use in web development and job opportunities.

• PHP is widely used in web development, offering more job opportunities compared to Java and C++.

• PHP is known for its simplicity and ease of use, making it a popular choice for web development projects.

• Transitioning to PHP allows me to broaden my skill set and stay current with industry trends.

I chose to work with PHP because of its simplicity, flexibility, and large community support.

• PHP is easier to learn and use compared to Java, making it more accessible for beginners.

• PHP is widely used for web development, which aligns with my career goals.

• PHP has a large community of developers and resources available online for support and learning.

• PHP is known for its flexibility and ability to integrate with various databases and frameworks.

• PHP allows for rapid development...read more

Reverse the name and shift the printed numbers based on even and odd positions.

• Reverse the name: 'John Doe' becomes 'eoD nhoJ'

• Shift the table printed numbers based on even and odd positions

• For example, if the table printed numbers are 1, 2, 3, 4, 5, the shifted numbers would be 2, 1, 4, 3, 5

Byte code can be transferred to other platforms using Java's platform-independent nature and tools like Java Virtual Machine (JVM) and Java Archive (JAR) files.

• Use Java's platform-independent nature to ensure byte code can run on different platforms without modification.

• Utilize Java Virtual Machine (JVM) to interpret and execute the byte code on various platforms.

• Package the byte code into Java Archive (JAR) files for easy distribution and execution on different platforms.

Java is not considered a complete object-oriented language because it supports primitive data types which are not objects.

• Java has primitive data types like int, float, and char which are not objects.

• In Java, these primitive data types do not have any methods or attributes like objects do.

• For example, you cannot call methods on an int variable like you can on an object.

Asynchronous programming is a programming paradigm that allows multiple tasks to be executed concurrently without blocking the main thread.

• Allows tasks to run concurrently without waiting for each other to finish

• Improves performance by utilizing non-blocking operations

• Commonly used in web development for handling tasks like fetching data from APIs

• Examples include JavaScript Promises, async/await syntax