Author Question: Analyze the following code.public class Test { int x; public Test(String t) ... (Read 60 times)

james0929 · **on:** May 6, 2020

Question 1

Given the declaration Circle x = new Circle(), which of the following statement is most accurate?
◦ x contains an object of the Circle type.
◦ x contains an int value.
◦ You can assign an int value to x.
◦ x contains a reference to a Circle object.

Question 2

Analyze the following code.

public class Test {
int x;

public Test(String t) {

System.out.println("Test");

}

public static void main(String[] args) {

Test test = null;

System.out.println(test.x);

}
}

◦ The program has a compile error because Test does not have a default constructor.
◦ The program has a runtime NullPointerException because test is null while executing test.x.
◦ The program has a compile error because you cannot create an object from the class that defines the object.
◦ The program has a compile error because x has not been initialized.
◦ The program has a compile error because test is not initialized.

smrerig · **Reply #1 on:** May 6, 2020

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