What is the difference between the reader/writer class hierarchy and the inputstream/outputstream class hierarchy in java programming?
What is string buffer?
Difference between object instantiation and construction ?
String is a immutable objects . it means that string does not change........... But it will be chang......... { String s="kapil"; String s1="raj"; String s=s1; then print(.......) The String has been changed .. how it is possible and why its called immutable objects
How do you remove an object from an arraylist in java?
What must a class do to implement an interface in java programming?
What is immutable data?
what are the uses of Class class and what it returns? explain it with the example code.
How do you declare an empty string?
How do you calculate square roots?
How can we find size of the object ?
Can you extend more than one interface?
How many ways can you break a singleton class in java?