R
Q. How many finally blocks can there be in a try/catch structure?
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Q. A Java vararg is a ____.
Q. What will be the output of the following Java program? public class BoxDemo { public static <U> void addBox(U u, java.util.List<Box<U>> boxes) { Box<U> box = new Box<>(); box.set(u); boxes.add(box); } public static <U> void outputBoxes(java.util.List<Box<U>> boxes) { int counter = 0; for (Box<U> box: boxes) { U boxContents = box.get(); System.out.println("[" + boxContents.toString() + "]"); counter++; } } public static void main(String[] args) { java.util.ArrayList<Box<Integer>> listOfIntegerBoxes = new java.util.ArrayList<>(); BoxDemo.<Integer>addBox(Integer.valueOf(0), listOfIntegerBoxes); BoxDemo.outputBoxes(listOfIntegerBoxes); } }
Q. Which of the following statements is true?
Q. Which of the following loops will execute the body of loop even when condition controlling the loop is initially false?
Q. If class Dog has a subclass Retriever, which of the following is true?
Q. Defining methods with same name and different no. of parameters are called
Q. Which statement provides an easy way to dispatch execution to different parts of your code based on the value of an expression?
Q. All raw data types (including binary documents or images) should be read and uploaded to the database as an array of
Q. jar stands for _____________
Q. You execute the code below in an empty directory. What is the result? File f1 = new File ("dirname");F ile f2 = new File (f1, "filename");
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