Java Tutorials
How do we sort list of Objects in Java?
In Java, you can sort a List of objects using: Comparable interface (natural ordering) Comparator interface (custom ordering) Lambda expressions (Java 8+) ✅ Example Object public class Student { ...
How do we sort list of Objects in Java?
In Java, you can sort a List of objects using: Comparable interface (natural ordering) Comparator interface (custom ordering) Lambda expressions (Java 8+) ✅ Example Object public class Student { ...
How HashMap works Internally?
🔧 1. Storage Structure HashMap uses an array of buckets (Node[] table) where each bucket is a linked list or tree of Map.Entry objects. 🔢 2. How a key-value pair...
How HashMap works Internally?
🔧 1. Storage Structure HashMap uses an array of buckets (Node[] table) where each bucket is a linked list or tree of Map.Entry objects. 🔢 2. How a key-value pair...
.equals() Vs ==
✅ == (Double Equals) Compares object references (i.e., memory addresses). Checks if two references point to the same object in memory. String s1 = new String("hello");String s2 = new String("hello");...
.equals() Vs ==
✅ == (Double Equals) Compares object references (i.e., memory addresses). Checks if two references point to the same object in memory. String s1 = new String("hello");String s2 = new String("hello");...
Python vs Java: A 2025 Comparison Guide for Dev...
When choosing a programming language to learn or master, two names inevitably dominate the conversation: Python and Java. Both are incredibly powerful, versatile, and widely used across industries. But how do...
Python vs Java: A 2025 Comparison Guide for Dev...
When choosing a programming language to learn or master, two names inevitably dominate the conversation: Python and Java. Both are incredibly powerful, versatile, and widely used across industries. But how do...