What is array list in java?
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Can a class be private in java?
What is floating data type?
What is stringbuffer in java?
What is the difference between serialization and deserialization?
What is the r character?
strings in java are objects.why?
This is my code i have a doubt class ab implements a,b { public void add() { System.out.println("Hi") } } interface a { public void add(); } interface b { public void add(); } in this code i have two interface implemented in the class has same method.just i want to know which method of interface implemented in the class. interface a or interface b? confused me .
How many bits are used to represent unicode, ascii, utf-16, and utf-8 characters?
Write code of any action class?
Does java linked list allow duplicates?
what is optional in java 8?
What is are packages?