#interview

Articles tagged with #interview

How does reduce() differ from collect() in Java streams?
The reduce() and collect() methods in Java Streams serve different purposes and operate at different levels of abstraction. Here’s a detailed comparison: 1. reduce() The reduce() method is used for reducing a stream of elements to a single result usi...
Dec 8, 20243 min read2
Why is 1 == 1 is true but 1000 == 1000 is false When dealing with Wrapper Classes in Java?
For Explanation watch video https://youtu.be/5yk-1MoK3QY In Java, the behavior where 1 == 1 is true but 1000 == 1000 is false when dealing with wrapper classes can be surprising. This is due to how Java handles object comparison and the concept of ...
Sep 15, 20243 min read
How to convert String to Integer in java
for explanation watch the video https://youtu.be/Vy4o8Zgdvbs import java.util.*; import java.lang.*; class Demo{ public static void main(String[] args){ String s = "9999"; int num1 = Integer.parseInt(s); System.out.print...
Apr 29, 20231 min read6
how to count a number of vowels and consonants in a given string in java
https://youtu.be/av5UCCZ48rQ
Jan 28, 20231 min read2
HashMap in java
https://youtu.be/WgW2AZVMfSM
Jan 7, 20231 min read2