Đề Thi FE PRO192 - SU26 - FE - RE

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SU2026

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8/8/26

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FE

PRO192 SU26 FE RE

PRO192 Multiple Choice Quiz​

This document contains a set of multiple-choice questions from the PRO192 course assessment, focusing on Java programming concepts such as array comparison, string manipulation, method hiding, static variables, and primitive data types. It serves as a study or review resource for students preparing for Java examinations.

PRO192 Multiple Choice Quiz​

PRO192_SU26_RE - Multiple Choice

Question 1
(Choose 1 answer)

Đáp án tham khảo: A

Which method is used to compare two arrays for equality in Java?

A. Arrays.equals()
B. Arrays.equal()
C. Arrays.compare()
D. Arrays.comparison()

Question 2
(Choose 1 answer)

Đáp án tham khảo: C

Which string method is used to split a string using a regular expression?

A. separate()
B. tokenize()
C. split()
D. parse()

Question 3
(Choose 1 answer)

Đáp án tham khảo: A

What is the output of the following Java program?
class A {
static void displayMessage() {
System.out.println("A Display");
}
}
class B extends A {
static void displayMessage() {
System.out.println("B Display");
}
}
public class Main {
public static void main(String[] args) {
A objA = new B();
objA.displayMessage();
}
}

A. A Display
B. B Display
C. A Display B Display
D. Compile error

Question 4
(Choose 1 answer)

Đáp án tham khảo: A

Consider the code:
public class Example {
static int count = 0;

public static int increment() {
return ++count;
}

public static void main(String[] args) {
int[] arr = {increment(), increment(), increment()};

for (int i = 0; i < arr.length; i++) {
if (arr&#91;i&#93; % 2 == 0) {
arr&#91;i&#93; = arr&#91;i&#93; * increment();
} else {
arr&#91;i&#93; = arr&#91;i&#93; + increment();
}
}

System.out.print("Result: ");
for (int value : arr) {
System.out.print(value + " ");
}
}
}
What is the output?

A. Result: 5 10 9
B. Result: 1 2 3
C. Result: 4 8 12
D. Result: 5 8 9

Question 5
(Choose 1 answer)

Đáp án tham khảo: C

Which of the following is a primitive data type in Java?

A. String
B. Float
C. byte
D. ArrayList
E. Integer
F. Character