Java
Most common design patterns in Java
Stragety The Strategy Pattern defines a family of algorithms, encapsulates each one, and makes them interchangeable. Strategy lets
read moreJava frequently used data structures and methods for leetcode
Arraydeclare int[] a = new int[100]; int[] b = {4,1,5}; array = new int[]{1,2,3}; two-dimensionalcodeint a[][] = {{1,2}, {3,4}}
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