Explain the differences between static and dynamic variables?

820

What is string length in java?

678

What is the use of 'super' keyword inside a constructor?

726

In multi-threading how can we ensure that a resource isn't used by multiple threads simultaneously?

1068

what is instanceof operator used in java?

764

Explain the private field modifier?

830

What are the pillars of java?

655

what is optional in java 8?

793

What is the maximum size of arraylist in java?

689

explain what is transient variable in java?

849

When is finally block not called?

799

Can we declare an array without size in java?

696

Can we declare main () method as non static?

695

What is data type modifier?

701

Why java is said to be pass-by-value ?

768