What is meant by inheritance and what are its advantages?
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what is use of threads how many ways to create thread
What isan abstract class and when do you use it?
system.out.println(1 + 3);
What is the flag in java?
can any one send me the example program of immutable class?
What is xslt in java?
What is difference between static and abstract class?
Can singleton class be cloned?
If I will write String s=new String("XYZ"); String s1=new String("XYZ"); if(s.equals(s1)){ sop("True"); } else{ sop("False"); } This program will give me "True". But When I am creating my own class suppose class Employee{ public Employee(String name); } Employee e= new Employee("XYZ"); Employee e1 = neew Employee("XYZ"); if(e.equals(e1)){ sop("True"); } else{ sop("False"); } Then it will give the output as "False". Can I know what is happening internally?
What is the difference between the file and randomaccessfile classes?
Can long be null in java?
Is void a data type?