Sandy Javamate

• Matrix Addition

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• Multi Dimensional Array

  A multidimensional array is an array of arrays. Each element of a multidimensional array is an array itself. Multidimensional array represents Two Dimensional Array Three Dimensional Array. Two Dimensional Array: In Two Dimensional Array the data stored in row and columns, and we can access the record using both the row index and column index.…

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• WRAPPER Class

  Primitive & non primitive: All classes are non primitive. All user defined classes are non primitive. All non primitive are not user defined. Eg: String, Scanner are not user-defined non primitive is dynamic size– ‘n’ number primitive is fixed size –8 Wrapper class: The wrapper class in Java provides the mechanism to convert primitive into…

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• COLLECTIONS FRAMEWORK Introduction

  COLLECTIONS: Collection is an object that represents a groups of objects. The Java collections framework provides a set of interfaces and classes to implement various data structures and algorithms. Collection is a heterogeneous. It helps to overcome the disadvantages in array. Some disadvantages of array: Occupies continuous memory. Unused memory is wasted.Data manipulation is bit…

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