https://www.hackerrank.com/domains/java
- Welcome to Java! - Solution
- Java Stdin and Stdout I - Solution
- Java If-Else - Solution
- Java Stdin and Stdout II - Solution
- Java Output Formatting - Solution
- Java Loops I - Solution
- Java Loops II - Solution
- Java Datatypes - Solution
- Java End-of-file - Solution
- Java Static Initializer Block - Solution
- Java Int to String - Solution
- Java Date and Time - Solution
- Java Currency Formatter - Solution
- Java Strings Introduction - Solution
- Java Substring - Solution
- Java Substring Comparisons - Solution
- Java String Reverse - Solution
- Java Anagrams - Solution
- Java String Tokens - Solution
- Pattern Syntax Checker - Solution
- Valid Username Regular Expression - Solution
- Java Primality Test - Solution
- Java BigInteger - Solution
- Java 1D Array - Solution
- Java 2D Array - Solution
- Java Subarray - Solution
- Java Arraylist - Solution
- Java List - Solution
- Java Map - Solution
- Java Hashset - Solution
- Java Generics - Solution
- Java Sort - Solution
- Java BitSet - Solution
- Java Inheritance I - Solution
- Java Inheritance II - Solution
- Java Abstract Class - Solution
- Java Interface - Solution
- Java Method Overriding - Solution
- Java Method Overriding 2 (Super Keyword) - Solution
- Java Instanceof keyword - Solution
- Java Iterator - Solution
- Java Exception Handling (Try-catch) - Solution
- Java Exception Handling - Solution
- Java Varargs - Simple Addition - Solution
- Java Reflection - Attributes - Solution
- Java Factory Pattern - Solution
- Java Singleton Pattern - Solution
- Covariant Return Types - Solution
- Java Regex - Solution
- Java Regex 2 - Duplicate Words - Solution
- Tag Content Extractor - Solution
- Java BigDecimal - Solution
- Java 1D Array (Part 2) - Solution
- Java Stack - Solution
- Java Comparator - Solution
- Java Dequeue - Solution
- Java Priority Queue - Solution
- Can You Access? - Solution
- Prime Checker - Solution
- Java Visitor Pattern - Solution
- Java Annotations - Solution
- Java Lambda Expressions - Solution
- Java MD5 - Solution
- Java SHA-256 - Solution