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    How Data Structures Make Your Code Faster

    Before the concept of data structures, data was often managed using simple linear storage methods. What is Data Structure . A Data structure is specialized format for organizing , processing , retrieving and storing data . it defines the relationship between data and the operations. that can be performed of the data common data structures include arrays , linked lists ,stacks , queues , tree and graph . Benefits of data structures How the variable can store this line when compiler compiles this line . When jvm reads int a it reserve space in stack memory for variable a . When jvm executes a=10; Primitive data type memory allocation Example…

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    Function Functional Interface in Java 8 – Definition, Syntax & Real-World Use Cases

    The Function functional interface is a predefined interface introduced in Java 8 as part of the java.util.function package. It represents a function that accepts one input argument and produces one result. This interface is widely used in lambda expressions, Stream API operations, and functional programming. A key feature of the Function interface is that it enables developers to define reusable transformation logic, where an input object is converted into another form. For example, converting a String into its length, a Student object into a grade, or an entity into a DTO. Function is functional interface that takes one argument and produces a result . Syntax: Program1 : Write a program…