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saudahmedkadapasaudahmedkadapa
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Java Codes
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‎A8.java‎

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abstract class A8 {
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abstract void callme();
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void callmetoo() {
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System.out.println("This is my Full Name.");
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}
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}
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class B8 extends A8 {
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void callme() {
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System.out.println("B's implementation of callme.");
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}
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}
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class AbstractDemo {
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public static void main(String[] args) {
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B8 b = new B8();
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b.callme();
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b.callmetoo();
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}
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}

‎Account.class‎

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‎AddMatrix.java‎

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public class AddMatrix {
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public static void main(String[] args) {
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int m1[][] = { { 1, 2, 3 }, { 2, 5, 7 }, { 6, 8, 9 } };
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int m2[][] = { { 5, 4, 3 }, { 6, 1, 3 }, { 4, 7, 9 } };
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int sum[][] = new int[3][3];
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int i, j;
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System.out.println("Elements of first matrix=");
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for (i = 0; i < 3; i++) {
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for (j = 0; j < 3; j++) {
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System.out.println(m1[i][j] + " ");
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}
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System.out.println();
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}
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System.out.println("Elements of Second Matrix =");
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for (i = 0; i < 3; i++) {
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for (j = 0; j < 3; j++) {
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System.out.println(m2[i][j] + " ");
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}
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System.out.println();
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}
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System.out.println("Addition of two Matrix=");
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for (i = 0; i < 3; i++) {
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for (j = 0; j < 3; j++) {
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sum[i][j] = m1[i][j] + m2[i][j];
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}
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}
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// sum of two matrix
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for (i = 0; i < 3; i++) {
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for (j = 0; j < 3; j++) {
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System.out.println(sum[i][j] + " ");
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}
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System.out.println();
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}
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}
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}

‎AlgorithmsDemo.java‎

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import java.util.*;
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public class AlgorithmsDemo {
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public static void main(String[] args) {
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LinkedList<Integer> ll = new LinkedList<>();
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ll.add(-8);
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ll.add(20);
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ll.add(-20);
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ll.add(8);
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Comparator<Integer> r = Collections.reverseOrder();
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Collections.sort(ll, r);
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System.out.print("List sorted in reverse: ");
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for (int i : ll)
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System.out.print(i + " ");
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System.out.println();
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Collections.shuffle(ll);
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System.out.print("List shuffled: ");
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for (int i : ll)
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System.out.print(i + " ");
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System.out.println();
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System.out.println("Minimum: " + Collections.min(ll));
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System.out.println("Maximum: " + Collections.max(ll));
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}
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}

‎AmountPurchase.java‎

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import java.util.Scanner;
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public class AmountPurchase {
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public static void main(String[] args) {
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double Discount;
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double amount;
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Scanner n = new Scanner(System.in);
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System.out.println("enter Your Purchase amount=");
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amount = n.nextDouble();
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if (amount >= 8000) {
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Discount = ((amount / 100) * 10);
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amount = amount - Discount;
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System.out.println("Final amount= " + amount);
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System.out.println("Discount= " + Discount);
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} else if (amount >= 5000)
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Discount = ((amount / 100) * 8);
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amount = amount - Discount;
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System.out.println("Final amount= " + amount);
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System.out.println("Discount=" + Discount);
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}
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}

‎Arithmetic.java‎

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public class Arithmetic {
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}

‎ArmstrongNumber.java‎

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import java.util.Scanner;
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public class ArmstrongNumber {
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public static void main(String[] args) {
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int number = 371, originalNumber, remainder, result = 0;
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originalNumber = number;
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while (originalNumber != 0) {
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remainder = originalNumber % 10;
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result += Math.pow(remainder, 3);
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originalNumber /= 10;
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}
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if (result == number)
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System.out.println(number + " is an Armstrong number.");
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else
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System.out.println(number + " is not an Armstrong number.");
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}
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}

‎Array.java‎

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public class Array {
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public static void main(String[] args) {
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int[] marks = new int[5];
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marks[0] = 100;
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marks[1] = 60;
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marks[3] = 70;
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marks[4] = 80;
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marks[5] = 90;
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System.out.println(marks[3]);
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}
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}

‎Array1.class‎

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‎Array1.java‎

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import java.util.Scanner;
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public class Array1 {
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public static void main(String[] args) {
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int i, j;
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Scanner sc = new Scanner(System.in);
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System.out.println("Enter the number of rows");
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int rows = sc.nextInt();
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System.out.println("enter the number of column");
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int cols = sc.nextInt();
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int a[][] = new int[rows][cols];
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for (i = 0; i < rows; i++) {
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for (j = 0; j < cols; j++) {
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}
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}
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}
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}

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