What is null in java?
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What is meant by class and object in java?
Explain about vector, dictionary,hash table, property classes?
What is meant by memory leak?
Define jre i.e. Java runtime environment?
What is a protected void?
How Applets & Servlets will communicate with each other?
what is the difference between the "protected and default" modifiers?
What is a classloader in java?
What happens when you assigned a 'double' value to a 'String'?
How can u increase the heap size in the memory?
Can we sort arraylist in java?
Define an applet in java?