What do you understand by abstract classes?
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What is the difference between logical data independence and physical data independence?
What are constants?
What is difference between array and vector?
Is empty in java?
What is the difference between preemptive scheduling and time slicing?
Explain 5 features introduced in jdk 1.7?
Can applet in different page/s communicate with each other?
Functionality of JVM?
What is the use of parseint in java?
Why does java have different data types for integers and floating-point values?
Which Math method is used to calculate the absolute value of a number?
What is exception and error? and what is the difference between them?