What is the result? A. 0 B. 1 C. A compilation error occurs at line n1. D. A compilation error occurs at line n2.

Which statement is true about java.util.stream.Stream? A. A stream cannot be consumed more than once. B. The execution mode of streams can be changed during processing. C. Streams are intended to mod...

Which code fragment, when inserted at line n1, enables the code to print the count of string elements whose length is greater than three? A. listVal.stream().filter(x -> x.length() > 3).count() B. li...

Assume that Projects contains subdirectories that contain .class files and is passed as an argument to the recDelete() method when it is invoked. What is the result? A. The method deletes all the .c...

What is the result? A. New York B. City Not available C. null D. A NoSuchElementException is thrown at run time.

What is the result? A. A compilation error occurs. B. d b e z j C. j z e b d D. z b d e j

You have been asked to ensure that the run methods of both the Worker and Master classes are executed. Which modification meets the requirement? A. At line n2, insert CyclicBarrier cb = new CyclicBa...

What is the result? A. [Java EE: Helen:Houston] [Java ME: Jessy:Chicago, Java ME: Mark:Chicago] B. Java EE Java ME C. [Java ME: Jessy:Chicago, Java ME: Mark:Chicago] [Java EE: Helen:Houston] D. A com...

這裡所稱的排序(Sorting)，是指將一串不規則的序列資料(如陣列資料)依照遞增或是遞減的方式重新編排。要將一串不規則的數值資料遞增或是遞減排列，方法當然不會只有一種，而不同方法排列資料的難易度、速度和其它特性自然也會有所不同。排序演算法(Sorting Algorithm)就是排列資料的方法，目前已知的方法有很多，在這篇文章中將會整理本站所介紹過的大部份排序演算法。

A. static void fly (Consumer<Bird> bird) { bird::fly(); } B. static void fly (Consumer<? extends Bird> bird) { bird.accept().fly(); } C. static void fly (Supplier<Bird> bird) { bird.get()....