为什么接收文件时出现“UnsupportedOperationException”？

Question

我有一个小组作业，每当我收到文件时，它都会显示 throw new UnsupportedOperationException("尚不支持。");

这到底是什么意思？我该如何修复/预防它？

这是我收到的文件之一，例如：

public class Interleave {
// TODO: write your code below this comment
// You must write a method that will interleave two arrays,
// producing a result array.  The resulting array should begin
// with the first element of the first given array.
// For example, the correct output for the setup in main is:
//
// 0, 1, 2, 3, 4, 5, 6,
//
// The test suite in InterleaveTest.java provides more examples.
// If one array is larger than the other, the extra elements should
// be put onto the end of the result array.  For example,
// if interleaving:
//
// first:  new int[]{0, 1}
// second: new int[]{5, 6, 7, 8}
//
// ...the result should be:
//
// new int[]{0, 5, 1, 6, 7, 8}
//
// If interleaving:
//
// first:  new int[]{5, 6, 7, 8}
// second: new int[]{0, 1}
//
// ...the result should be:
//
// new int[]{5, 0, 6, 1, 7, 8}
//

// DO NOT MODIFY main
public static void main(String[] args) {
    int[] first = new int[]{0, 2, 4, 6};
    int[] second = new int[]{1, 3, 5};
    int[] retval = interleave(first, second);
    for (int x = 0; x < retval.length; x++) {
        System.out.print("" + retval[x] + ", ");
    }
    System.out.println();
}

static int[] interleave(int[] first, int[] second) {
    throw new UnsupportedOperationException("Not supported yet."); 
    }
}

Answer 1

UnsupportedOperationException 更像 NotYetImplemented 或 TODO 或 InsertYourCodeHere。只需删除带有throw new UnsupportedOperationException("Not supported yet."); 的行并将您的代码放在那里。