The quiz contains 8 questions and there is no time limit. You can get between 1 and 3 points for answering the questions correctly. At the end of the quiz, you'll receive a total score. You can compare yourself with other users via the leaderboard. If you achieve more than 70% you will be rewarded with a certificate. Good luck!
Test your advanced skills of the Java programming language: - Java Syntax - Advanced control structures - Classes and objects - Data abstraction - Methods
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Java is a low level programming language!
Java is statically typed!
Which means the compiler or interpreter does the type checking once before the program runs or is compiled.
Java is a strongly-typed system!
Java supports inferred typing!
What is the output for sum
?
public class AdvancedControlStructure {
public static void main(String[] args) {
int sum = 0;
for (int i = 0, j = 2; i < 5 & j < 10; i = j - i, j++) {
sum += j;
}
System.out.print(sum);
}
}
What is the output?
public class MethodParametersExample {
static int fun(int a, int b) {
if (a == 0) {
return b;
} else {
return a + fun(a - 1, b);
}
}
public static void main(String[] args) {
System.out.print(fun(2,5));
}
}
What is the output?
class Test {
private void privPrint() {
System.out.print("A, ");
}
public void pubPrint() {
System.out.print("B, ");
}
protected void protPrint() {
System.out.print("C");
}
}
class DataAbstraction {
public static void main(String[] args) {
Test t1 = new Test();
t1.privPrint();
t1.pubPrint();
t1.protPrint();
}
}
What is the output?
class Test {
private void privPrint() {
System.out.print("A, ");
}
public void pubPrint() {
System.out.print("B, ");
}
protected void protPrint() {
System.out.print("C");
}
}
class DataAbstraction {
public static void main(String[] args) {
Test t1 = new Test();
t1.pubPrint();
t1.protPrint();
}
}
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