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CharBuffer slice() method in Java
A new CharBuffer with the content as a shared subsequence of the original CharBuffer can be created using the method slice() in the class java.nio.CharBuffer. This method returns the new CharBuffer that is read-only if the original buffer is read-only and direct if the original buffer is direct.
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 {
CharBuffer buffer1 = CharBuffer.allocate(n);
buffer1.put('A');
buffer1.put('B');
buffer1.put('C');
System.out.println("The Original CharBuffer is: " + Arrays.toString(buffer1.array()));
System.out.println("The position is: " + buffer1.position());
System.out.println("The limit is: " + buffer1.limit());
CharBuffer buffer2 = buffer1.slice();
System.out.println("
The Subsequence CharBuffer is: " + Arrays.toString(buffer2.array()));
System.out.println("The position is: " + buffer2.position());
System.out.println("The limit is: " + buffer2.limit());
} catch (IllegalArgumentException e) {
System.out.println("Error!!! IllegalArgumentException");
} catch (ReadOnlyBufferException e) {
System.out.println("Error!!! ReadOnlyBufferException");
}
}
}Output
The Original CharBuffer is: [A, B, C, , ] The position is: 3 The limit is: 5 The Subsequence CharBuffer is: [A, B, C, , ] The position is: 0 The limit is: 2
Updated on: 30-Jul-2019
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