PROBLEM STATEMENT: Use string concatenation to append the "dogs" string to the parameter str. public class StringConcatAppend{ public static String solution(String str){ // ↓↓↓↓ your code goes here ↓↓↓↓ return null; Can you help me with this question  The language is Java

PROBLEM STATEMENT: An anagram is a word that has been rearranged from another word, check tosee if the second word is a rearrangement of the first word. public class AnagramComputation{public static boolean solution(String word1, String word2){// ↓↓↓↓ your code goes here ↓↓↓↓return true;}} Can you help me with this java question the language is java please use the code I gave

In C# create a calculator but make it for Fractions. Include a fraction class that overloads the +, -, *, and / operators.

NEED HELP WITH JAVA PROGRAM ERROR PLEASE HELP THANK YOU   CODE: class quad{public static void main(String args[] ){Quadrilateral quadrilateral = new Quadrilateral( 1.1, 1.2, 6.6, 2.8, 6.2, 9.9, 2.2, 7.4 );Trapezoid trapezoid = new Trapezoid (0.0, 0.0, 10.0, 0.0, 8.0, 5.0, 3.3, 5.0 );Parallelogram parallelogram = new Parallelogram (5.0, 5.0, 11.0, 5.0, 12.0, 20.0, 6.0, 20.0 );Rectagle rectagle = new Rectagle(17.0, 14.0, 30.0, 14.0, 30.0, 28.0, 17.0, 28.0 );Square square = new Square( 4.0, 0.0, 8.0, 0.0, 8.0, 4.0, 4.0, 4.0 );System.out.printf("%s %s %s %s %s\n", quadrilateral, trapezoid, parallelogram, rectagle, square );}}class Point{private double x;private double y;public Point(double xCoordinate, double yCoordinate){x = xCoordinate;y = yCoordinate;}public double getX(){return x;}public double getY(){return y;}public String toString(){return String.format( "( %.1f, %.1f)", getX(), getY() );}}class Quadrilateral {private Point point1;private Point point2;private Point point3;private…