How to provide security in java
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Difference between throw and throws?
Can a class be declared as static?
Are there structures in java?
What is the code inside the public void actionPerformed(ActionEvent ae) override method in Applet [ Condition:- you have one TextField and One Button , you have to enter any color name inside the TextField, when you click on Button Your background will change according to your input color name]
What is nullpointerexception in java?
Are there any tools available in java to create reports?
Can we extend singleton class?
When does the compiler supply a default constructor for a class?
what is the difference between object and class
Explain about the performance aspects of core java?
Can we have any code between try and catch blocks?
how u do unit testing?