In JavaScript, we have a method called map(). This method loops over existing array elements and creates a new array post calculations. Since it returns a new array, it can be chained with other methods like filter(), reduce(), etc to perform the necessary calculations. The foreach() me...
32. What are loops in Python? How do you write a nested for-loop program? The loop is a sequence of instructions that gets executed repeatedly until and unless an exit condition is reached. There are two types of loops in Python: For Loop: This Loop iterates over a sequence like lists...
Java 8 has been released in March 2014, so it’s one of the hot topics in java interview questions. If you answer this question clearly, it will show that you like to keep yourself up-to-date with the latest technologies. Java 8 has been one of the biggest releases after Java 5 anno...
Loops are used in Java to execute a statement or a block of statement repeatedly. There are three types of loops in Java: 1.For Loops For Loops are used in Java to execute statements repeatedly for a given number of times. 2.While Loops While Loops are used when determined statements nee...
Java Loops ISolve ProblemGiven an integer, N, print its first 10 multiples. Each multiple N (where 1<= i <=10) should be printed on a new line in the form: N x i = Result.Input Format: A single integer, N.Constraint: 2 <= N <= 20Output Format...
This question is similar to the one given to the junior candidate. In this case, instead of mapping out a car rental company, the task is to whiteboard the architecture for a chat app service. Candidates aren’t expected to go into granular detail on all aspects of the app. Rather, focu...
However, compiled languages, such as C and C++, tend to be more difficult to understand and work in than interpreted languages like Python. 4. What are conditionals and loops? Conditional statements, commonly known as if-else statements, are used to run certain blocks of code based on ...
When there are no messages past the offset, Kafka allows for long-pooling, which eliminates tight loops.Because of Kafka's partitions, a pull model makes sense. In a partition with no competing customers, Kafka provides message orders. This allows users to take advantage of message batching ...
18 . Why should you be careful about String concatenation(+) operator in loops? 19 . How do you solve above problem? 20 . What are differences between String and StringBuffer? 21 . What are differences between StringBuilder and StringBuffer? 22 . Can you give examples of different utility ...
17 . Where are String values stored in memory? 18 . Why should you be careful about String concatenation(+) operator in loops? 19 . How do you solve above problem? 20 . What are differences between String and StringBuffer? 21 . What are differences between StringBuilder and StringBuffer?