Java by API/java.util/BitSet
Содержание
BitSet: and(BitSet anotherBitSet)
<source lang="java">
/*
* Output:
Initial pattern in bits1: {0, 2, 4, 6, 8, 10, 12, 14} Initial pattern in bits2: {1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14} bits2 AND bits1: {2, 4, 6, 8, 12, 14} bits2 OR bits1: {0, 2, 4, 6, 8, 10, 12, 14} bits2 XOR bits1: {}
*/
import java.util.BitSet; public class MainClass {
public static void main(String args[]) { BitSet bits1 = new BitSet(16); BitSet bits2 = new BitSet(16); // set some bits for (int i = 0; i < 16; i++) { if ((i % 2) == 0) bits1.set(i); if ((i % 5) != 0) bits2.set(i); } System.out.println("Initial pattern in bits1: "); System.out.println(bits1); System.out.println("\nInitial pattern in bits2: "); System.out.println(bits2); // AND bits bits2.and(bits1); System.out.println("\nbits2 AND bits1: "); System.out.println(bits2); // OR bits bits2.or(bits1); System.out.println("\nbits2 OR bits1: "); System.out.println(bits2); // XOR bits bits2.xor(bits1); System.out.println("\nbits2 XOR bits1: "); System.out.println(bits2); }
}
</source>
BitSet: andNot(BitSet set)
<source lang="java">
import java.util.BitSet; public class Main {
public static void main (String args[]) { BitSet bites = new BitSet(); bites.set(0); bites.set(1); bites.set(2); bites.set(3); System.out.println(bites); bites.andNot(bites); System.out.println(bites); }
}
</source>
BitSet: clone()
<source lang="java">
import java.util.BitSet; public class Main {
public static void main(String args[]) { BitSet bites = new BitSet(); bites.set(0); bites.set(1); bites.set(2); bites.set(3); BitSet bitSetClone = (BitSet) bites.clone(); System.out.println(bites); System.out.println(bitSetClone); }
}
</source>
BitSet: get(int bitIndex)
<source lang="java">
/*
* Bit 65 is true */
import java.util.BitSet; public class MainClass {
public static void main(String[] argv) { BitSet bs = new BitSet(); bs.set(65); System.out.println("Bit 65 is " + bs.get(65)); }
}
</source>
BitSet: length()
<source lang="java">
import java.util.BitSet; public class Main {
public static void main(String args[]) { BitSet bites = new BitSet(); bites.set(0); bites.set(1); bites.set(2); bites.set(3); System.out.println(bites.size()); System.out.println(bites.length()); }
}
</source>
BitSet: or(BitSet anotherBitSet)
<source lang="java">
/*
* Output:
Initial pattern in bits1: {0, 2, 4, 6, 8, 10, 12, 14} Initial pattern in bits2: {1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14} bits2 AND bits1: {2, 4, 6, 8, 12, 14} bits2 OR bits1: {0, 2, 4, 6, 8, 10, 12, 14} bits2 XOR bits1: {}
*/
import java.util.BitSet; public class MainClass {
public static void main(String args[]) { BitSet bits1 = new BitSet(16); BitSet bits2 = new BitSet(16); // set some bits for (int i = 0; i < 16; i++) { if ((i % 2) == 0) bits1.set(i); if ((i % 5) != 0) bits2.set(i); } System.out.println("Initial pattern in bits1: "); System.out.println(bits1); System.out.println("\nInitial pattern in bits2: "); System.out.println(bits2); // AND bits bits2.and(bits1); System.out.println("\nbits2 AND bits1: "); System.out.println(bits2); // OR bits bits2.or(bits1); System.out.println("\nbits2 OR bits1: "); System.out.println(bits2); // XOR bits bits2.xor(bits1); System.out.println("\nbits2 XOR bits1: "); System.out.println(bits2); }
}
</source>
BitSet: set(int bitIndex)
<source lang="java">
/*
* Output:
Initial pattern in bits1: {0, 2, 4, 6, 8, 10, 12, 14} Initial pattern in bits2: {1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14} bits2 AND bits1: {2, 4, 6, 8, 12, 14} bits2 OR bits1: {0, 2, 4, 6, 8, 10, 12, 14} bits2 XOR bits1: {}
*/
import java.util.BitSet; public class MainClass {
public static void main(String args[]) { BitSet bits1 = new BitSet(16); BitSet bits2 = new BitSet(16); // set some bits for (int i = 0; i < 16; i++) { if ((i % 2) == 0) bits1.set(i); if ((i % 5) != 0) bits2.set(i); } System.out.println("Initial pattern in bits1: "); System.out.println(bits1); System.out.println("\nInitial pattern in bits2: "); System.out.println(bits2); // AND bits bits2.and(bits1); System.out.println("\nbits2 AND bits1: "); System.out.println(bits2); // OR bits bits2.or(bits1); System.out.println("\nbits2 OR bits1: "); System.out.println(bits2); // XOR bits bits2.xor(bits1); System.out.println("\nbits2 XOR bits1: "); System.out.println(bits2); }
}
</source>
BitSet: size()
<source lang="java">
import java.util.BitSet; public class Main {
public static void main(String args[]) { BitSet bites = new BitSet(); bites.set(0); bites.set(1); bites.set(2); bites.set(3); System.out.println(bites.size()); System.out.println(bites.length()); }
}
</source>
BitSet: xor(BitSet anotherBitSet)
<source lang="java">
/*
* Output:
Initial pattern in bits1: {0, 2, 4, 6, 8, 10, 12, 14} Initial pattern in bits2: {1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14} bits2 AND bits1: {2, 4, 6, 8, 12, 14} bits2 OR bits1: {0, 2, 4, 6, 8, 10, 12, 14} bits2 XOR bits1: {}
*/
import java.util.BitSet; public class MainClass {
public static void main(String args[]) { BitSet bits1 = new BitSet(16); BitSet bits2 = new BitSet(16); // set some bits for (int i = 0; i < 16; i++) { if ((i % 2) == 0) bits1.set(i); if ((i % 5) != 0) bits2.set(i); } System.out.println("Initial pattern in bits1: "); System.out.println(bits1); System.out.println("\nInitial pattern in bits2: "); System.out.println(bits2); // AND bits bits2.and(bits1); System.out.println("\nbits2 AND bits1: "); System.out.println(bits2); // OR bits bits2.or(bits1); System.out.println("\nbits2 OR bits1: "); System.out.println(bits2); // XOR bits bits2.xor(bits1); System.out.println("\nbits2 XOR bits1: "); System.out.println(bits2); }
}
</source>
new BitSet(int size)
<source lang="java">
/*
* Output:
Initial pattern in bits1: {0, 2, 4, 6, 8, 10, 12, 14} Initial pattern in bits2: {1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14} bits2 AND bits1: {2, 4, 6, 8, 12, 14} bits2 OR bits1: {0, 2, 4, 6, 8, 10, 12, 14} bits2 XOR bits1: {}
*/
import java.util.BitSet; public class MainClass {
public static void main(String args[]) { BitSet bits1 = new BitSet(16); BitSet bits2 = new BitSet(16); // set some bits for (int i = 0; i < 16; i++) { if ((i % 2) == 0) bits1.set(i); if ((i % 5) != 0) bits2.set(i); } System.out.println("Initial pattern in bits1: "); System.out.println(bits1); System.out.println("\nInitial pattern in bits2: "); System.out.println(bits2); // AND bits bits2.and(bits1); System.out.println("\nbits2 AND bits1: "); System.out.println(bits2); // OR bits bits2.or(bits1); System.out.println("\nbits2 OR bits1: "); System.out.println(bits2); // XOR bits bits2.xor(bits1); System.out.println("\nbits2 XOR bits1: "); System.out.println(bits2); }
}
</source>