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Commit dd8ffe3

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[yuvrajs] Adding Sorted and Distinct functions
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‎README.md

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@@ -7,9 +7,12 @@ Functional programming is a paradigm that allows programming using expressions i
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* [Print Square of each number in the list](src/main/java/com/ysingh/structure/ST03PrintSquareOfEachListElement.java)
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* [Print sum of all elements in the list](src/main/java/com/ysingh/structure/ST04AddNumbersInList.java)
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* [Print max and min number from all elements in the list](src/main/java/com/ysingh/structure/ST05MaximumAndMinimumNumberInList.java)
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* [Square every number in a list and find the sum of squares](src/main/java/com/ysingh/structure/ST06Excersise.java)
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* [Cube every number in a list and find the sum of cubes](src/main/java/com/ysingh/structure/ST06Excersise.java)
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* [Find sum of odd numbers in a list](src/main/java/com/ysingh/structure/ST06Excersise.java)
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* [Square every number in the list and find the sum of squares](src/main/java/com/ysingh/structure/ST06Excersise.java)
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* [Cube every number in the list and find the sum of cubes](src/main/java/com/ysingh/structure/ST06Excersise.java)
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* [Find sum of odd numbers in the list](src/main/java/com/ysingh/structure/ST06Excersise.java)
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* [Print distinct numbers in the list](src/main/java/com/ysingh/structure/ST07DistinctAndSorted.java)
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* [Sort list of numbers and print it](src/main/java/com/ysingh/structure/ST07DistinctAndSorted.java)
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* [Sort list of strings and print it](src/main/java/com/ysingh/structure/ST07DistinctAndSorted.java)
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## Implementations using Functional Programming
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### Using Streams, Filters and Lambdas:
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* [Print max and min number from all elements in the list](src/main/java/com/ysingh/functional/FP05MaximumAndMinimumNumberInList.java)
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* [Square every number in a list and find the sum of squares](src/main/java/com/ysingh/functional/FP06Excersise.java)
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* [Cube every number in a list and find the sum of cubes](src/main/java/com/ysingh/functional/FP06Excersise.java)
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* [Find sum of odd numbers in a list](src/main/java/com/ysingh/functional/FP06Excersise.java)
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* [Find sum of odd numbers in a list](src/main/java/com/ysingh/functional/FP06Excersise.java)
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### Using Distinct and Sorted:
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* [Print distinct numbers in the list](src/main/java/com/ysingh/functional/FP07DistinctAndSorted.java)
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* [Sort list of numbers and print it](src/main/java/com/ysingh/functional/FP07DistinctAndSorted.java)
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* [Sort list of strings and print it](src/main/java/com/ysingh/functional/FP07DistinctAndSorted.java)
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package com.ysingh.functional;
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import java.util.Arrays;
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import java.util.List;
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public class FP07DistinctAndSorted {
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public static void main(String args[]) {
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List<Integer> numbers = Arrays.asList(12,9,13,5,4,2,4,12,15);
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List<String> courses = Arrays.asList("Spring", "Spring Boot", "API", "Microservices", "AWS", "PCF", "Azure", "Docker", "Kubernetes");
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System.out.println("Print Distinct Numbers in List:");
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printDistinctNumbersInList(numbers);
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System.out.println();
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System.out.println("Print Numbers in sorted manner in List:");
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printNumbersInSortedMannerInList(numbers);
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System.out.println();
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System.out.println("Print Courses in sorted manner in List:");
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printCoursesInSortedMannerInList(courses);
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System.out.println();
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}
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private static void printDistinctNumbersInList(List<Integer> numbers) {
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numbers.stream().distinct().forEach(System.out::println);
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}
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private static void printNumbersInSortedMannerInList(List<Integer> numbers) {
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numbers.stream().sorted().forEach(System.out::println);
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}
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private static void printCoursesInSortedMannerInList(List<String> courses) {
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courses.stream().sorted().forEach(System.out::println);
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}
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}
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package com.ysingh.structure;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Comparator;
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import java.util.List;
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public class ST07DistinctAndSorted {
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public static void main(String args[]) {
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List<Integer> numbers = Arrays.asList(12,9,13,5,4,2,4,12,15);
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List<String> courses = Arrays.asList("Spring", "Spring Boot", "API", "Microservices", "AWS", "PCF", "Azure", "Docker", "Kubernetes");
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System.out.println("Print Distinct Numbers in List:");
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printDistinctNumbersInList(numbers);
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System.out.println();
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System.out.println("Print Numbers in manner in List:");
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printNumbersInSortedMannerInList(numbers);
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System.out.println();
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System.out.println("Print Courses in sorted manner in List:");
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printCoursesInSortedMannerInList(courses);
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System.out.println();
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}
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private static void printDistinctNumbersInList(List<Integer> numbers) {
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List<Integer> visited = new ArrayList<>();
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for(int number : numbers) {
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if(!visited.contains(number)) {
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System.out.println(number);
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visited.add(number);
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}
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}
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}
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private static void printNumbersInSortedMannerInList(List<Integer> numbers) {
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numbers.sort(Comparator.comparing(Integer::intValue));
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for(int number : numbers) {
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System.out.println(number);
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}
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}
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private static void printCoursesInSortedMannerInList(List<String> courses) {
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courses.sort(Comparator.comparing(String::toString));
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for(String course : courses) {
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System.out.println(course);
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}
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}
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}

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