Decimal to Binary 



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public class DecimalToBinary {
 
    public void printBinaryFormat(int number){
        int binary[] = new int[25];
        int index = 0;
        while(number > 0){
            binary[index++] = number%2;
            number = number/2;
        }
        for(int i = index-1;i >= 0;i--){
            System.out.print(binary[i]);
        }
    }
     
    public static void main(String a[]){
        DecimalToBinary dtb = new DecimalToBinary();
        dtb.printBinaryFormat(25);
    }
}