# Status Problem video Level Completes Likes 348 Print Number with its Sign in Java Beginner % 0 336 Calculate Logn base r – Java Implementation Beginner % 0 330 Check if Given Number is power of 2. Beginner % 1 327 Print First n numbers in Fibonacci Series Beginner % 0 320 Find the Area of Triangle using base and height - Java Program Beginner % 0 319 Get the Sum of Digits in a number till it become a single digit Medium % 0 316 Print First N Prime Numbers - Java Code Beginner % 0 315 Print My IP Address – Java Code Beginner % 0 314 Find the Circumference of a Circle - Java Program Beginner % 0 313 Check if two Strings are equal without using built-in function - Java Beginner % 0 309 Floyd’s Triangle – Java Implementation Beginner % 0 308 Print Numbers from 1 to N without using loop Beginner % 0 307 Swap two numbers using Bitwise XOR Operator Medium % 1 306 Java Program to determine if Given Year is Leap Year Beginner % 0 302 Fizz Buzz Challenge - Java Implementation Beginner % 0 301 Divide with power of 2 without using pow() or / operator Beginner % 1 299 Minimum number of guesses needed to find a specific number Beginner % 0 295 Find the Area of a Triangle Using coordinates Beginner % 0 294 Java Program to find if Triangle can be formed using given 3 sides Beginner % 0 292 Find the Area of a Triangle Given Three Sides – Heron’s Formula Beginner % 0 291 Find Factorial of a given Number Beginner % 0 289 Find Sum of all Digits of a Number Beginner % 0 232 Check whether the given number is a perfect square Beginner % 0 227 Algorithm to calculate power(k,n). Beginner % 1 226 Find remainder without using modulo operator Beginner % 0 225 Swap two numbers without using extra variable Beginner % 0 127 Find numbers that are palindrome in the decimal and octal Representations Beginner % 0 123 Colorful Numbers Hard % 2 121 Print All the Subsets of a Given Set (Power Set) Hard % 1 120 Convert Decimal into Irreducible Fraction Beginner % 0 119 Clock Angle Problem Beginner % 1 109 Euclidean algorithm - Greatest Common Divisor(GCD) Beginner % 0 Print Number with its Sign in Java Calculate Logn base r – Java Implementation Check if Given Number is power of 2. Print First n numbers in Fibonacci Series Find the Area of Triangle using base and height - Java Program Get the Sum of Digits in a number till it become a single digit Print First N Prime Numbers - Java Code Print My IP Address – Java Code Find the Circumference of a Circle - Java Program Check if two Strings are equal without using built-in function - Java Floyd’s Triangle – Java Implementation Print Numbers from 1 to N without using loop Swap two numbers using Bitwise XOR Operator Java Program to determine if Given Year is Leap Year Fizz Buzz Challenge - Java Implementation Divide with power of 2 without using pow() or / operator Minimum number of guesses needed to find a specific number Find the Area of a Triangle Using coordinates Java Program to find if Triangle can be formed using given 3 sides Find the Area of a Triangle Given Three Sides – Heron’s Formula Find Factorial of a given Number Find Sum of all Digits of a Number Check whether the given number is a perfect square Algorithm to calculate power(k,n). Find remainder without using modulo operator Swap two numbers without using extra variable Find numbers that are palindrome in the decimal and octal Representations Colorful Numbers Print All the Subsets of a Given Set (Power Set) Convert Decimal into Irreducible Fraction Clock Angle Problem Euclidean algorithm - Greatest Common Divisor(GCD) 1