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Showing content from https://www.tutorialspoint.com/java/util/bitset_tolongarray.htm below:

Java BitSet toLongArray() Method

The Java BitSet toLongArray() method returns a new long array containing all the bits in this bit set.

Following is the declaration for java.util.BitSet.toLongArray () method

public long[] toLongArray()

NA

This method Returns a new long array containing all the bits in this bit set.

NA

The following example shows the usage of Java BitSet toLongArray() method. We're creating two BitSets. We're setting true values at given indexes to the BitSet objects using set() method calls per index and using toLongArray() method we're getting and printing the length of the long arrays.

package com.tutorialspoint;

import java.util.BitSet;

public class BitSetDemo {
   public static void main(String[] args) {

      // create 2 bitsets
      BitSet bitset1 = new BitSet();
      BitSet bitset2 = new BitSet();

      // assign values to bitset1
      bitset1.set(0, 6, true);

      // assign values to bitset2
      bitset2.set(2);
      bitset2.set(4);
      bitset2.set(6);
      bitset2.set(8);
      bitset2.set(10);

      System.out.println(bitset1.toLongArray().length);
      System.out.println(bitset2.toLongArray().length);
   }
}

Let us compile and run the above program, this will produce the following result −

1
1 

The following example shows the usage of Java BitSet toLongArray() method. We're creating two BitSets using byte[] and using toLongArray() method we're printing the length of the long arrays of the bitsets.

package com.tutorialspoint;

import java.util.BitSet;

public class BitSetDemo {
   public static void main(String[] args) {

      // create 2 bitsets
      BitSet bitset1 = BitSet.valueOf(new byte[] { 0, 1, 2, 3, 4, 5 });
      BitSet bitset2 = BitSet.valueOf(new byte[] { 2, 4, 6, 8, 10 });
      
      System.out.println(bitset1.toLongArray().length);
      System.out.println(bitset2.toLongArray().length);
   }
}

Let us compile and run the above program, this will produce the following result −

1
1

The following example shows the usage of Java BitSet toLongArray() method. We're creating two BitSets using long[] and using toLongArray() method we're printing the length of the long arrays of the bitsets.

package com.tutorialspoint;

import java.util.BitSet;

public class BitSetDemo {
   public static void main(String[] args) {

      // create 2 bitsets
      BitSet bitset1 = BitSet.valueOf(new long[] { 0, 1, 2, 3, 4, 5 });
      BitSet bitset2 = BitSet.valueOf(new long[] { 2, 4, 6, 8, 10 });
      
      System.out.println(bitset1.toByteArray().length);
      System.out.println(bitset2.toByteArray().length);
   }
}

Let us compile and run the above program, this will produce the following result −

41
33

java_util_bitset.htm

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