LongBuffer compact() in Java

compact(): This method is available in java.nio.LongBuffer class of Java.

Syntax:

LongBuffer java.nio.LongBuffer.compact()

Compacts this buffer.

Note The longs between the buffer's current position and its limit, if any, are copied to the beginning of the buffer.

Parameters: NA

Returns: This buffer.

Throws:

ReadOnlyBufferException - If this buffer is read-only

Approach

Java

import java.nio.LongBuffer;

public class LongBuffercompact {
    public static void main(String[] args) {

        long array[] = { 1, 2, 3, 4 };
        LongBuffer lb = LongBuffer.wrap(array);

        System.out.println(lb.compact());
    }
}

Output:

java.nio.HeapLongBuffer[pos=4 lim=4 cap=4]