Java中的CharBuffer equals()方法
可以使用equals()java.nio.CharBuffer类中的方法检查两个缓冲区的相等性。如果两个缓冲区具有相同类型的元素，相同数量的元素和相同元素序列，则它们相等。equals()如果缓冲区相等，则该方法返回true，否则返回false。
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(n);
buffer1.put('A');
buffer1.put('P');
buffer1.put('P');
buffer1.put('L');
buffer1.put('E');
buffer1.rewind();
System.out.println("The first CharBuffer is: " + Arrays.toString(buffer1.array()));
CharBuffer buffer2 = CharBuffer.allocate(n);
buffer2.put('A');
buffer2.put('P');
buffer2.put('P');
buffer2.put('L');
buffer2.put('E');
buffer2.rewind();
System.out.println("The second CharBuffer is: " + Arrays.toString(buffer2.array()));
boolean flag = buffer1.equals(buffer2);
if (flag)
System.out.println("\nBoth the buffers are equal");
else
System.out.println("\nBoth the buffers are not equal");
} catch (IllegalArgumentException e) {
System.out.println("Error!!! IllegalArgumentException");
} catch (ReadOnlyBufferException e){
System.out.println("Error!!! ReadOnlyBufferException");
}
}
}输出结果
The first CharBuffer is: [A, P, P, L, E] The second CharBuffer is: [A, P, P, L, E] Both the buffers are equal
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