Q1 Differentiate final , finalize and finally keyword in
java?
Or
Why we use finalize mehod in java
Just what is finalize() technique?
Just what is the difference between final keyword , finally
keyword and finalize in java ?
why we declare class as a final
Answer :
1.
final is
used for declaring constant
2.
Finally handles exception in java when a program
is executed
3.
Finalize job of finalize is automatic garbage
collection
Important Tip : Variables specified in an interface by default are
final.we can not extend a final class
Q2 Exactly what is the Java API why java api used ?
Answer :The
Java API is a huge collection of ready-made software components that provide
lot of functionality such as email functionality through api.
Q3 What is the GregorianCalendar course in java ?
Answer : The
GregorianCalendar offers assistance for traditional Western schedules.
Q4 what is the
ResourceBundle class in java and why we use ResourceBundle class in java
?
Answer : The
ResourceBundle course is utilized to store locale-specific sources that can be
packed by a program to customize the program's look to the area where it is
being run.
Q5 Why in java does not
have any global variables ?
Answer : Global
variables are globally available. Java does not sustain around the world
available variables because of adhering to factors:
Global variables crates collisions in namespace.
Q6 The best ways to change
String to Number in java program?
Answer : in java The valueOf() function of
Integer course is is made use of to change strand to Number. Below is the code
instance:.
String numString="1000 รข?³;.
int id=Integer. valueOf(numString). intValue();.
Q7 Exactly what is the SimpleTimeZone class?
The SimpleTimeZone class gives support for a Gregorian calendar.
Exactly what is the difference between a while statement as well
as a do declaration?
Demonstrate fadeToggle() with different speed parameters.
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