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FloatBuffer compareTo() method in Java
A buffer can be compared with another buffer using the method compareTo() in the class java.nio.FloatBuffer. This method returns a negative integer if the buffer is less than the given buffer, zero if the buffer is equal to the given buffer and a positive integer if the buffer is greater than the given buffer.
A program that demonstrates this is given as follows −
Example
import java.nio.*;
import java.util.*;
public class Demo {
public static void main(String[] args) {
int n = 5;
try {
FloatBuffer buffer1 = FloatBuffer.allocate(n);
buffer1.put(4.5F);
buffer1.put(1.2F);
buffer1.put(3.9F);
buffer1.put(7.5F);
buffer1.put(5.8F);
buffer1.rewind();
System.out.println("The first FloatBuffer is: " + Arrays.toString(buffer1.array()));
FloatBuffer buffer2 = FloatBuffer.allocate(n);
buffer2.put(4.5F);
buffer2.put(1.2F);
buffer2.put(3.9F);
buffer2.put(7.5F);
buffer2.put(5.8F);
buffer2.rewind();
System.out.println("The second FloatBuffer is: " + Arrays.toString(buffer2.array()));
int val = buffer1.compareTo(buffer2);
if (val == 0)
System.out.println("
Both the buffers are lexicographically equal");
else if (val > 0)
System.out.println("
The first buffer is lexicographically greater than the second buffer");
else
System.out.println("
The second buffer is lexicographically greater than the first buffer");
} catch (IllegalArgumentException e) {
System.out.println("Error!!! IllegalArgumentException");
} catch (ReadOnlyBufferException e) {
System.out.println("Error!!! ReadOnlyBufferException");
}
}
}The output of the above program is as follows −
Output
The first FloatBuffer is: [4.5, 1.2, 3.9, 7.5, 5.8] The second FloatBuffer is: [4.5, 1.2, 3.9, 7.5, 5.8] Both the buffers are lexicographically equal
Updated on: 30-Jul-2019
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