What is the range of a character variable?
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Explain the differences between abstraction and encapsulation?
Can memory leak in java?
Define how objects are stored in java?
What is public static?
What is boolean false?
Why we used break and continue statement in java?
Describe the process as to how substring() methodology mechanisms in java.
Can we use return in constructor?
Can an arraylist be empty?
what is comparable and comparator interface?
4.1 Supply contracts (in the form of comments specifying pre- and post conditions) for the enqueue() method of the LinkedQueue class given in the Appendix. (2) 4.2 Let Thing be a class which is capable of cloning objects, and consider the code fragment: Thing thing1 = new Thing(); //(1) Thing thing2 = thing1; //(2) Thing thing3 = (Thing) thing1.clone(); //(3) Explain how the objects thing2 and thing3 differ from each other after execution of the statements. (
Explain the difference between abstract class and interface in java?