Java中的IntBuffer get()方法
读取缓冲区当前位置的值，然后使用get()java.nio.IntBuffer类中的方法将其递增。此方法返回当前缓冲区位置上的值。另外，如果发生下溢情况，则抛出BufferUnderflowException。
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 {
IntBuffer buffer = IntBuffer.allocate(n);
buffer.put(8);
buffer.put(1);
buffer.put(3);
buffer.put(7);
buffer.put(5);
buffer.rewind();
System.out.println("The IntBuffer is: " + Arrays.toString(buffer.array()));
int val1 = buffer.get();
System.out.println("\nThe value at current position of IntBuffer is: " + val1);
int val2 = buffer.get();
System.out.println("The value at next position of IntBuffer is: " + val2);
} catch (IllegalArgumentException e) {
System.out.println("Error!!! IllegalArgumentException");
} catch (ReadOnlyBufferException e) {
System.out.println("Error!!! ReadOnlyBufferException");
} catch (BufferUnderflowException e) {
System.out.println("Error!!! BufferUnderflowException");
}
}
}上面程序的输出如下-
输出结果
The IntBuffer is: [8, 1, 3, 7, 5] The value at current position of IntBuffer is: 8 The value at next position of IntBuffer is: 1