Swift iOS Interview Questions 61. What are raw strings? Raw String in Switf 5 gives us the ability to specify a custom delimiter #. For example, when we write \n, it should act as an escape sequence, but it will be treated as a backslash, then an‘n.’ let regularString = "\\Hel...
manipulate data and strings (we suggest doing this in Python), so 10 Why might a join on a subquery be slow? How might you you can answer questions that speed it up? involve sifting through numeri- cal or string data. 11 Describe the difference between primary keys and foreign keys in ...
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 ...
Remember to study and practice these programming interview questions before facing an interview. This will not only boost your conviction but also will be helpful to answer them quickly. The questions will mainly cover subjects like arrays, strings, linked lists, and so on. ...
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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?
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.
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). ...
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....