Questions tagged [object-class]
19 questions
0
votes
1 answer
How can I verify that two classes are assigned to the same city? Follow-up issues
There are three classes with interfaces Train: ITrain, Line: Iline and City: ICity. Generally, I advanced in the code and resolved TEST 3 & 4 but caused new issues.
I have following issues:
1. Test 1 on line 19 : "Sequence contains no elements"…
user12525138
-1
votes
2 answers
Does Java Enum Classes by default extend Java Object Class?
I have defined my own enum, which will extend Java Enum Class. Does Java Enum Class extend Java Object Class?
enum ORDER {
FIRST,
SECOND,
THIRD,
FOURTH
}
shamanth gowda
- 25
- 3
-3
votes
2 answers
Explanation of toString method output and difference between toString out and hashCode output
public class ObjectClass {
public static void main(String[] args) {
Demo dm = new Demo();
Object obj = dm.getObject();
System.out.println("Class name :: "+obj.getClass());
System.out.println("To String " +…
Dhiraj
- 1
- 1
-6
votes
1 answer
Can we use Object args[] instead of String args[] in main method of java?
Why do we always write this:
public static void main(String args[])
As the Object class is a parent class of all the classes in Java, so can we write
public static void main(Object args[])
instead of
public static void main(String args[])
?
Swayam sahu
- 11