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What is serializable interface?
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Why const and goto are reserved keyword in java?
What is meant by stack and queue?
What does the string method compareto () do?
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.
How to implement an arraylist in java?
What is the purpose of javac exe?
11. static class A { 12. void process() throws Exception { throw new Exception(); } 13. } 14. static class B extends A { 15. void process() { System.out.println(”B”); } 16. } 17. public static void main(String[] args) { 18. new B().process(); 19. } What is the result? 1 B 2 The code runs with no output. 3 Compilation fails because of an error in line 12. 4 Compilation fails because of an error in line 15.
What do you mean by access modifier?
Is nullpointerexception checked or unchecked?
Why stringbuilder is not thread safe in java?
Does java isempty check for null?
What is meant by bytecode?
Core Java 
