Java中的CharBufferplicate()方法
可以使用duplicate()类java.nio.CharBuffer中的方法创建缓冲区的重复缓冲区。此重复缓冲区与原始缓冲区相同。该方法duplicate()返回创建的重复缓冲区。
演示此的程序如下所示-
示例
import java.nio.*;
import java.util.*;
public class Demo {
public static void main(String[] args) {
int n = 5;
try {
CharBuffer buffer1 = CharBuffer.allocate(5);
buffer1.put('A');
buffer1.put('P');
buffer1.put('P');
buffer1.put('L');
buffer1.put('E');
buffer1.rewind();
System.out.println("The Original CharBuffer is: " + Arrays.toString(buffer1.array()));
CharBuffer buffer2 = buffer1.duplicate();
System.out.print("The Duplicate CharBuffer is: " + Arrays.toString(buffer2.array()));
} catch (IllegalArgumentException e) {
System.out.println("Error!!! IllegalArgumentException");
} catch (ReadOnlyBufferException e) {
System.out.println("Error!!! ReadOnlyBufferException");
}
}
}输出结果
The Original CharBuffer is: [A, P, P, L, E] The Duplicate CharBuffer is: [A, P, P, L, E]