Stringis a class in Java and is defined in thejava.langpackage. It’s not a primitive data type likeintandlong. TheStringclass represents character strings.Stringis used in almost all Java applications.Stringin immutable and final in Java and the JVM uses a string pool to store all theStri...
You can return either of the two elements depending on the problem and sample outputs provided. 28. You have a string, and you want to find the length of the longest substring of that string where no characters repeat. For example, in the string For implementation-based questions like ...
A Series in Pandas is a one-dimensional array-like object that can hold data of any type (integers, strings, floats, etc.). Each element in a Series is associated with a unique label, called an index, which can be used to access individual elements. For example, import pandas as pd ...
Comprehensive, community-driven list of essential PHP interview questions. Whether you're a candidate or interviewer, these interview questions will help prepare you for your next PHP interview ahead of time.
Ask clarifying questions Consider the functional and non-functional requirements: put (storing objects under a unique key), get (retrieving objects), scalability, availability, performance, etc. Specify your assumptions: can we assume that put and get are strings? Design high-level Possible data str...
Java Exception Interview Questions Here I am providing some of the important core java interview questions with answers that you should know. You can bookmark this post to brush up on your knowledge before heading for an interview. 1. Name some important features of the Java 14 release?
67)What does it mean that Java Strings are immutable? Strings in Java are immutable to provide security to all variables used in the program, thread-safe (they can be shared among threads without having a native code) and optimum formemory (using logical string pooling). ...
Most machine learning jobs offered on LinkedIn, Glassdoor, and Indeed are role specific. As such, during the interview, they will focus on role-specific questions. For the computer vision engineering role the hiring manager will focus on image processing questions. Why can the inputs in comput...
Java Stream Interview Questions For Experienced 1) Predicate interface: what is it? A function that takes an Object and produces a boolean is represented by a Predicate, which is a functional interface. Several Stream methods, like filter(), which employs Predicate to filter out undesirable compon...
SQL Interview Questions 1. What is Pattern Matching in SQL? 2. How to create empty tables with the same structure as another table? 3. What is a Recursive Stored Procedure? 4. What is a Stored Procedure? 5. What is Collation? What are the different types of Collation Sensitivity? 6....