no error in methods but pieces do not appear on the board yet

src/Main.java

@@ -4,7 +4,6 @@ import backend.Piece;
 import backend.PieceType;
 import windowInterface.MyInterface;
 
-
 public class Main {
 
 
@@ -17,6 +16,10 @@ public class Main {
 		// launches graphical interface : 
 		MyInterface mjf = new MyInterface();
 		mjf.setVisible(true);
+		
+		Piece test = new Piece(true, PieceType.Pawn, 1, 1);
+		System.out.println(test.isWhite());
 	}
 	
+
 }

src/backend/Board.java

@@ -5,10 +5,12 @@ import java.util.ArrayList;
 public class Board {
 	private int line;
 	private int col;
+	private Piece[][] board; // 2D array to hold pieces
 
 	public Board(int colNum, int lineNum) {
 		this.col=colNum;
 		this.line=lineNum;
+		this.board =new Piece [colNum][lineNum];// Create the 2D board array
 	}
 
 	public int getWidth() {
@@ -30,15 +32,52 @@ public class Board {
 	}
 
 	public void setPiece(boolean isWhite, PieceType type, int x, int y) {
-		//TODO
+		//TODO datastructure treeset
+		 // Create a new Piece object with the provided attributes
+		Piece piece =new Piece (isWhite, type,x,y);
+		
+		// Place the piece on the board at the specified position
+		if (x >= 0 && x < col && y >= 0 && y < line) {
+            board[y][x] = piece;
+        } 
+		
+		else {
+            System.out.println("Invalid position");
+        }
 	}
 
 	public void populateBoard() {
-		//TODO
+		 PieceType[] backRow = {
+		            PieceType.Rook, PieceType.Knight, PieceType.Bishop,
+		            PieceType.Queen, PieceType.King, PieceType.Bishop,
+		            PieceType.Knight, PieceType.Rook
+		        };
+		 
+		// place black pieces (false = black)
+		for (int x=0;x<8;x++) {
+			// Row 0: black major pieces
+			setPiece(false,backRow[x],x,0);
+			// Row 1: black pawns
+			setPiece(false, PieceType.Pawn,x,1);
+		}
+		
+		 // Place white pieces (true = white)
+        for (int x = 0; x < 8; x++) {
+        	// Row 6: white pawns
+            setPiece(true, PieceType.Pawn, x, 6);
+            // Row 7: white major pieces
+            setPiece(true, backRow[x], x, 7);
+        }
 	}
 
 	public void cleanBoard() {
-		//TODO
+		 // Iterate over each row and column and set the board position to null
+        for (int y = 0; y < line; y++) {
+            for (int x = 0; x < col; x++) {
+                board[y][x] = null; // Remove the piece
+            }
+        }
+        System.out.println("Board cleaned. All pieces removed.");
 	}
 
 	public String toString() {

src/backend/Piece.java

@@ -3,6 +3,8 @@ package backend;
 public class Piece {
 	private int X;
 	private int Y;
+	private PieceType type;
+	private boolean color;
 
 	public int getX() {
 		return this.X;
@@ -13,11 +15,19 @@ public class Piece {
 	}
 	
 	public PieceType getType() {
-		return null;
+		return this.type ;
 	}
 	
 	public boolean isWhite() {
-		return false;
+		return color;
+	}
+	
+	// constructor
+	public Piece (boolean colorP, PieceType typeP, int xP, int yP) {
+		this.color=colorP;
+		this.type=typeP;
+		this.X=xP;
+		this.Y=yP;	
 	}
 	
 }

src/backend/PieceType.java

@@ -25,4 +25,8 @@ public enum PieceType {
 		return PieceType.Queen;
 	}
 	
+	// PieceType type = PieceType.Pawn;
+	// int n = type.ordinal();
+	// gives the value of the enum list index corresponding to called piece
+	
 }