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JAVA Programming :: Exception Handling

Home > JAVA Programming > Exception Handling > General Questions

1. What will be the output of the program?
public class TestDogs
{
public static void main(String [] args)
{
Dog [][] theDogs = new Dog[3][];
System.out.println(theDogs[2][0].toString());
}
}
class Dog { }

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Answer: Option D

Explanation:

Here is no explanation for this answer

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2. Which of these is a legal definition of a method named m assuming it throws IOException, and returns voi Also assume that the method does not take any arguments. Select the one correct answer.

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Answer: Option C

Explanation:

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3. What is the output for the below code ?

public class A {}
public class B implements Serializable {
private static A a = new A();
public static void main(String... args){
B b = new B();
try{
FileOutputStream fs = new
FileOutputStream("b.ser");
ObjectOutputStream os = new
ObjectOutputStream(fs);
os.writeObject(b);
os.close();
}catch(Exception e){
e.printStackTrace();
}
}
}

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Answer: Option C

Explanation:

No javio.NotSerializableException, Because class A variable is stati static variables are not Serializable.

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Answer: Option E

Explanation:

Here is no explanation for this answer

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