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>
