There are two variants of flip() method. This article depicts about all of them as follows:
1. flip(int value) : This method removes the value specified in the argument.
public void flip(int value) Parameters : value : the value to flip. Return ValueThis method does not return a value.
// Java code to demonstrate the// working of flip(int value) in Bitset  import java.util.*;  public class Flip1 {  public static void main(String[] args) {         // declaring bitset  BitSet bset = new BitSet(6);     // assigning values to bset  bset.set(0);  bset.set(1);  bset.set(2);  bset.set(3);    // printing the original set  System.out.println("The original bitset is : " + bset);     // using flip() to remove 2  bset.flip(2);         // printing final bitset  // 2 is removed  System.out.println("The flipped bitset is : " + bset);  }} |
Output:
The original bitset is : {0, 1, 2, 3}
The flipped bitset is : {0, 1, 3}
2. flip(int fromnum, int tonum) : This method sets each bit from the specified fromnum (inclusive) to the specified tonum (exclusive) to the complement of its current value, i.e removes fromnum to tonum-1 values.
public void flip(int fromnum,int tonum) Parameters : fromnum : start number to begin flipping. tonum : last-1 number to end flipping. Return Value : This method does not return a value.
// Java code to demonstrate the// working of flip(int fromnum, int tonum) in Bitset  import java.util.*;  public class Flip2 {  public static void main(String[] args) {         // declaring bitset  BitSet bset = new BitSet(6);     // assigning values to bset  bset.set(0);  bset.set(1);  bset.set(2);  bset.set(3);    // printing the original set  System.out.println("The original bitset is : " + bset);     // using flip(fromnum,tonum) to remove 1 and 2  bset.flip(1,3);         // printing final bitset  // 1 and 2 are removed  System.out.println("The flipped bitset is : " + bset);  }} |
Output:
The original bitset is : {0, 1, 2, 3}
The flipped bitset is : {0, 3}
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