How do you create a null object?
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After compilation of java program we'll get .class code. If it's generated in OS Windows XP will it work on OS Linux? If yes why? If no why?
Explain differences between checked and unchecked exceptions in java?
What is a short in java?
Can you explain the meaning of aggregation and composition
Why java is call by value?
ublic class Java_Coding_Samples { public static void JavaHungr(NumberFormatException ae){ System.out.println("integer"); } public static void JavaHungry(Exception e){ System.out.println("string"); } public static void JavaHungry(ArithmeticException ae){ System.out.println("object"); } public static void main(String[] args) { JavaHungry(null); }
What is a double vs float?
can you create interface instance ?
How do you compare two objects?
How many bytes is a unicode character?
what is wrapper class and its uses?
Explain the difference between Unicast and Multicast objects?