Java Implementation Of Priority Queue

public class PriorityQueue_Java {

    static class Tuple implements Comparable<Tuple>{

        int money;

        String name;

        

        public Tuple(int money, String name){

            this.money = money;

            this.name = name;

        }

        

        public String toString(){

            return "[" + money + ", " + name + "]";

        }

        @Override

        public int compareTo(Tuple tup) {

            return this.money - tup.money;

        }

        

        

    }

    

    // --------------------------------------------------------------

    

    static void example1(){

        System.out.println("example1:\n");

        

        // push elements into priority queue PQ

        PriorityQueue<Tuple> PQ = new PriorityQueue<Tuple>();

        PQ.add(new Tuple(1500, "Alice"));

        PQ.add(new Tuple(850, "Bob"));

        System.out.println("Content of PQ: " + PQ);

    }

    //-------------------------------------------------------------------

    

    public static void main(String[] args){

        example1();

        //example2();

        //example3();

        //example4();

        //exercise1();

        //exercise2();

    }

Java Implementation Of Priority Queue

public class PriorityQueue_Java {

    static class Tuple implements Comparable<Tuple>{

        int money;

        String name;

        

        public Tuple(int money, String name){

            this.money = money;

            this.name = name;

        }

        

        public String toString(){

            return "[" + money + ", " + name + "]";

        }

        @Override

        public int compareTo(Tuple tup) {

            return this.money - tup.money;

        }

        

        

    }

    

    // --------------------------------------------------------------

    

    static void example1(){

        System.out.println("example1:\n");

        

        // push elements into priority queue PQ

        PriorityQueue<Tuple> PQ = new PriorityQueue<Tuple>();

        PQ.add(new Tuple(1500, "Alice"));

        PQ.add(new Tuple(850, "Bob"));

        System.out.println("Content of PQ: " + PQ);

    }

    //-------------------------------------------------------------------

    

    public static void main(String[] args){

        example1();

        //example2();

        //example3();

        //example4();

        //exercise1();

        //exercise2();

    }

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