Converts an integer to a String of binary in ASCII characters

Integer to Binary String of ASCII Characters

public static String itostrb(int binary)
	{
		String result = "0";
		int scalar = 1;
		int placeHolder = 1;
		while(binary>0){
			if((binary - scalar*2)>=0){
				scalar*=2;
				placeHolder++;
			}else{
				binary -= scalar;
				scalar = 1;
				result="1";
				break;
			}
		}
		for(int i = placeHolder - 1; i > 0; i--){
			scalar = 1;
			String add = "0";
			for(int j = 0; j < i - 1; j++){
				scalar*=2;
			}
			if((binary - scalar)>=0){
				binary-=scalar;
				add = "1";
			}
			result += add;
		}
		return result;
	}