Code-Signal Solutions Collection of Java Solutions by Qaif Shaikh Contents Intro 1. The Journey Begins add centuryFromYear checkPalindrome 2. Edge of the Ocean adjacentElementsProduct shapeArea makeArrayConsecutive2 almostIncreasingSequence matrixElementsSum 3. Smooth Sailing allLongestStrings commonCharacterCount isLucky reverseInParentheses 4. Exploring the Waters alternatingSums The Core 1. Intro Gates addTwoDigits largestNumber Interview Practice 1. Arrays firstDuplicate firstNotRepeatingCharacter rotateImage sudoku2 isCryptSolution 2. Linked Lists mergeTwoLinkedLists removeKFromList isListPalindrome addTwoHugeNumbers reverseNodesInKGroups