📰 Dev.to · Abishek
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Dev.to · Abishek
2mo ago
FileReader ,BufferedReader ,FileWriter,BufferedWriter
Class Hierarchy (With Meaning, Not Just Structure) Reader (abstract) ↓ FileReader ...
Dev.to · Abishek
2mo ago
File Handling
In Java, file handling means working with files like creating them, reading data, writing data or...
Dev.to · Abishek
2mo ago
Neon,Strong,Perfect Number coding
Neon Number What is Neon number ? 9 => 81 9 <= 8+1 neon number : There are only...
Dev.to · Abishek
2mo ago
Exception Handling
What is an Exception? The Oracle docs define it cleanly — "An exception is an event,...
Dev.to · Abishek
2mo ago
Why Recursion? (When Loops Feel Just Fine)
Honestly, when I first heard about recursion I thought — why even bother, loops work fine. And I was...
Dev.to · Abishek
2mo ago
Basic Programs Every Beginner Must Know (LCM, Sum, Factorial)
These are the most important beginner problems asked in interviews and tests. Let’s understand them...
Dev.to · Abishek
2mo ago
15 Java String Method Questions I Practiced — Here's What I Actually Learned
15 Java String Method Questions I Practiced — Here's What I Actually Learned I've been...
Dev.to · Abishek
3mo ago
Mastering Java String Methods: Top 20 Methods with Examples
Introduction Strings are a fundamental part of Java programming. To work efficiently with...
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