摘要： Given an unsorted array of integers, find the length of the longest consecutive elements sequence.For example,Given [100, 4, 200, 1, 3, 2],The longest... 阅读全文

摘要： Given a binary tree, find the lowest common ancestor of two given nodes in the tree. _______3______ / \ ___5__ _... 阅读全文

摘要： class Link { public int data1; public double data2; public Link nextLink; //Link constructor public Link(int d1, double d2) { data1 = d1; data2 = d2; } //Print Link data public void printLink() { System.out.print("{" + data1 + ", " + data2 + "} "); }}c... 阅读全文

摘要： This article provides a brief description about the various Object Oriented Programming concepts.Object Oriented ProgrammingIt is a type of programming in which programmers define not only the data type of a data structure, but also the types of operations (functions) that can be applied to the data 阅读全文

摘要： staticvariables are shared by the entire class, not a specific instance (unlike normal member variables)staticmethods are also shared by the entire classstaticclasses are inner classes that aren’t tied to their enclosing classesstaticcan be used around a block of code in a class to specify code that 阅读全文