ممكن مساعدة في كود التحويل من Decimal الى Binary و العكس

public class Converter
{
	private int[] a;

	public Converter() {
		a = new int[8];// this is adecleration of integer Array.
	   }


	   public void DecToBin(int x) {//This method converts the number from decimal to binary
		   int D = a.length-1;
		   int B = 0;
		   if(x == 0) a[D] = 0;
		   else if(x == 1) a[D] = 1;
		   else{
			   for(int i=D; i>=0; i--) {
				   B = x%2;
				   a = B;
				   x = x/2;
				}
			}
		}

	   public int BinToDec(int[] b) {//This method converts the number from binary to decimal.
		  int dec=0;
		  for (int i=0; i<b.length; i++) {
				dec <<= 1; // shift content of dec 1 position to the left (actually a multiplication with 2)
				dec += b; // add the 0 or 1
			  }
			return dec;


		  }


		public void twoComplements(int x) {//This method gives you the two complements of the number if it is negative
			DecToBin(x);
			for(int i=0; i<=7; i++) {
				if(a == 0) a = 1;
				else{
					a = 0;
				}
			}

			a[0] = a[0] + 1;
			if(a[0] == 2) {
				a[0] = 0;
				for(int i=1; i<=7; i++) {
					a = a + 1;
					if(a == 1) {
						break;
					}
					else a = 0;
				}
			}
			for(int i=7; i>=0; i--) {
			   System.out.print(a);
			}
		}




		public void mainconvertD2B(int x) {//This is the main method wich the user run to convert from decimal (negative or positive) to binary
			if(x <= 255){

				if(x >= 0){
					DecToBin(x); // call method DecToBin
					System.out.print(x + " is converted to: "); 
					for(int i=0; i<=7; i++){
						System.out.print(a);
					}

					System.out.println();
				}
				else{

					twoComplements(x);
					System.out.print(x + " is converted to: ");
					for(int i=0; i<=7; i++) {
						System.out.print(a);
					}
					System.out.println();
				}
			}

			else{
				System.out.println("The decimal number should from 0 to 255");
			}
		}


		}