bitarray.java

ca tools

package es.sing.util;

public class BitArray{
	static int codes[]=new int[31];

	static{
		codes[0]=1;
		codes[1]=2;
		for (int i=2;i<31;i++){
			codes[i]=codes[i-1]*2;
		}
	}
    
	public static boolean isActive(int bitArray, int index){
		return (bitArray & codes[index])!=0;
	}

	public static void main(String args[]){
		int bitA=Integer.parseInt("010010",2);
		for(int i=0;i<31;i++){
			System.out.println(isActive(bitA,i));
		}
	}
};