The equals() method of java.nio.LongBuffer Class is used to check whether or not the given buffer is equal to another object.
Two Long buffers are equal if, and only if,
- They have the same element type,
- They have the same number of remaining elements, and
- The two sequences of remaining elements, considered independently of their starting positions, are poLongwise
equal.
This method considers two Long elements a and b to be equal if (a == b) || (Long.isNaN(a) && Long.isNaN(b)). The values -0 and +0 are considered to be equal, unlike Long.equals(Object).
A Long buffer is not equal to any other type of object.
Syntax:
public boolean equals(Object ob)
Parameters: This method takes the ob(The object to which this buffer is to be compared) as a parameter.
Return Value: This method returns true if, and only if, this buffer is equal to the given object.
Below are the examples to illustrate the equals() method:
Examples 1:
// Java program to demonstrate // equals() method import java.nio.*;
import java.util.*;
public class GFG {
public static void main(String[] args)
{
// Declaring the capacity of the LongBuffer 1
int capacity1 = 10;
// Declaring the capacity of the LongBuffer 2
int capacity2 = 10;
// Creating the LongBuffer
try {
// creating object of Longbuffer 1
// and allocating size capacity
LongBuffer ib1 = LongBuffer.allocate(capacity1);
// creating object of Longbuffer 2
// and allocating size capacity
LongBuffer ib2 = LongBuffer.allocate(capacity2);
// putting the value in Longbuffer 1
ib1.put(8);
ib1.put(2, 9);
ib1.rewind();
// putting the value in Longbuffer 2
ib2.put(8);
ib2.put(2, 9);
ib2.rewind();
// prLong the LongBuffer 1
System.out.println(" LongBuffer 1: "
+ Arrays.toString(ib1.array()));
// prLong the LongBuffer 2
System.out.println(" LongBuffer 2: "
+ Arrays.toString(ib2.array()));
// checking the equality of both LongBuffer
boolean ibb = ib1.equals(ib2);
// checking if else condition
if (ibb)
System.out.println("Both are equal");
else
System.out.println("Both are not equal");
}
catch (IllegalArgumentException e) {
System.out.println("IllegalArgumentException catched");
}
catch (ReadOnlyBufferException e) {
System.out.println("ReadOnlyBufferException catched");
}
}
} |
Output:
LongBuffer 1: [8, 0, 9, 0, 0, 0, 0, 0, 0, 0] LongBuffer 2: [8, 0, 9, 0, 0, 0, 0, 0, 0, 0] Both are equal
Examples 2:
// Java program to demonstrate // equals() method import java.nio.*;
import java.util.*;
public class GFG {
public static void main(String[] args)
{
// Declaring the capacity of the LongBuffer 1
int capacity1 = 10;
// Declaring the capacity of the LongBuffer 2
int capacity2 = 5;
// Creating the LongBuffer
try {
// creating object of Longbuffer 1
// and allocating size capacity
LongBuffer ib1 = LongBuffer.allocate(capacity1);
// creating object of Longbuffer 2
// and allocating size capacity
LongBuffer ib2 = LongBuffer.allocate(capacity2);
// putting the value in Longbuffer 1
ib1.put(8);
ib1.put(2, 9);
ib1.rewind();
// putting the value in Longbuffer 2
ib2.put(8);
ib2.put(2, 9);
ib2.rewind();
// prLong the LongBuffer 1
System.out.println(" LongBuffer 1: "
+ Arrays.toString(ib1.array()));
// prLong the LongBuffer 2
System.out.println(" LongBuffer 2: "
+ Arrays.toString(ib2.array()));
// checking the equality of both LongBuffer
boolean ibb = ib1.equals(ib2);
// checking if else condition
if (ibb)
System.out.println("Both are equal");
else
System.out.println("Both are not equal");
}
catch (IllegalArgumentException e) {
System.out.println("IllegalArgumentException catched");
}
catch (ReadOnlyBufferException e) {
System.out.println("ReadOnlyBufferException catched");
}
}
} |
Output:
LongBuffer 1: [8, 0, 9, 0, 0, 0, 0, 0, 0, 0] LongBuffer 2: [8, 0, 9, 0, 0] Both are not equal
Examples 3:
// Java program to demonstrate // equals() method import java.nio.*;
import java.util.*;
public class GFG {
public static void main(String[] args)
{
// Declaring the capacity of the LongBuffer 1
int capacity1 = 10;
// Declaring the capacity of the LongBuffer 2
int capacity2 = 10;
// Creating the LongBuffer
try {
// creating object of Longbuffer 1
// and allocating size capacity
LongBuffer ib1 = LongBuffer.allocate(capacity1);
// creating object of Longbuffer 2
// and allocating size capacity
LongBuffer ib2 = LongBuffer.allocate(capacity2);
// putting the value in Longbuffer 1
ib1.put(8);
ib1.put(2, 9);
ib1.rewind();
// putting the value in Longbuffer 2
ib2.put(8);
ib2.put(2, 9);
ib2.put(3, 7);
ib2.put(4, 4);
ib2.rewind();
// prLong the LongBuffer 1
System.out.println(" LongBuffer 1: "
+ Arrays.toString(ib1.array()));
// prLong the LongBuffer 2
System.out.println(" LongBuffer 2: "
+ Arrays.toString(ib2.array()));
// checking the equality of both LongBuffer
boolean ibb = ib1.equals(ib2);
// checking if else condition
if (ibb)
System.out.println("Both are equal");
else
System.out.println("Both are not equal");
}
catch (IllegalArgumentException e) {
System.out.println("IllegalArgumentException catched");
}
catch (ReadOnlyBufferException e) {
System.out.println("ReadOnlyBufferException catched");
}
}
} |
Output:
LongBuffer 1: [8, 0, 9, 0, 0, 0, 0, 0, 0, 0] LongBuffer 2: [8, 0, 9, 7, 4, 0, 0, 0, 0, 0] Both are not equal