Wipro Senior Software Engineer Interview Questions and Answers for Experienced

Sort an array of strings using the map function in JavaScript.

• Use the map function to create a new array with the strings you want to sort.

• Apply the sort method on the new array to sort the strings alphabetically.

• Example: const sortedArray = array.map(str => str).sort();

• The map function is not necessary for sorting but can be used for transformations before sorting.

The code's output depends on its logic and data structures used, which need to be analyzed for a precise answer.

• Identify the programming language to understand syntax and semantics.

• Check for any loops or conditional statements that affect output.

• Examine variable initializations and data types for potential issues.

• Consider edge cases that might alter expected results.

Aggregation is a 'has-a' relationship where one object contains another object, while composition is a stronger form of aggregation where the child object cannot exist without the parent object.

• Aggregation is a weaker relationship where the child object can exist independently of the parent object.

• Composition is a stronger relationship where the child object is part of the parent object and cannot exist without it...read more

Find the highest string value from an array of strings based on lexicographical order.

• Use Java Streams to sort the array of strings: `Arrays.stream(array).sorted().findFirst().get()`.

• Example: For input `['apple', 'banana', 'cherry']`, the highest value is `cherry`.

• Consider edge cases like empty arrays: `[]` should return an appropriate message or null.

• Use `Comparator.reverseOrder()` for descending order if needed.

One disadvantage of Spring Boot is its potential for increased memory consumption.

• Spring Boot can consume more memory compared to traditional Java EE applications due to its auto-configuration and embedded server features.

• This can lead to higher resource usage and potentially slower performance.

• Developers need to be mindful of optimizing memory usage and monitoring application performance.

• Using Spring Boot for sma...read more

Count the characters in a given string

• Iterate through the string and increment a counter for each character

• Use built-in functions like length() in some programming languages

• Consider edge cases like empty string or special characters