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法律研究IntBuffer compareTo() 方法在 Java 中
可以使用 java.nio.IntBuffer 类中的 compareTo() 方法将缓冲区与另一个缓冲区进行比较。如果缓冲区小于给定的缓冲区，此方法将返回一个负整数，如果缓冲区与给定的缓冲区相等，则返回零，如果缓冲区大于给定的缓冲区，则返回一个正整数。
演示这一点的程序如下所示 −
示例
import java.nio.*;
import java.util.*;
public class Demo {
public static void main(String[] args) {
int n = 5;
try {
IntBuffer buffer1 = IntBuffer.allocate(n);
buffer1.put(8);
buffer1.put(1);
buffer1.put(3);
buffer1.put(7);
buffer1.put(5);
buffer1.rewind();
System.out.println("The first IntBuffer is: " + Arrays.toString(buffer1.array()));
IntBuffer buffer2 = IntBuffer.allocate(n);
buffer2.put(8);
buffer2.put(1);
buffer2.put(3);
buffer2.put(7);
buffer2.put(5);
buffer2.rewind();
System.out.println("The second IntBuffer 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");
}
}
}以上程序的输出如下 −
输出
The first IntBuffer is: [8, 1, 3, 7, 5] The second IntBuffer is: [8, 1, 3, 7, 5] Both the buffers are lexicographically equal
更新于: 30-Jul-2019
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