What is off heap memory?
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How many ways can you break a singleton class in java?
Why do we create public static method in java?
What is the relationship between clipping and repainting under awt?
Given: 11. public static void main(String[] args) { 12. Integer i = uew Integer(1) + new Integer(2); 13. switch(i) { 14. case 3: System.out.println(”three”); break; 15. default: System.out.println(”other”); break; 16. } 17. } ‘What is the result? 1 three 2 other 3 An exception is thrown at runtime. 4 Compilation fails because of an error on line 12.
What is scope & storage allocation of global and extern variables? Explain with an example
Are arrays immutable in java?
What is :: operator in java?
real time example for deadlock,starvation,livelock
Explain the significance of class loaders in bootstrap?
What is JVM ? use of JVM?
As a developer what steps do you take to improve the performance?
What is a class component?