Programming Basics

Wishing you joy and prosperity this Diwali

Interface A
{
Public void sum (int x, int y)
{
System.out.println (x+y);
}

}

Is this code is valid or not
A) yes
B) no

system.out.pr

From JDK 8 onwards we can also make Interface excutable means interface can contain main function and functions can be defined in interface.

in java All static and non static function are loaded in ?
1. Class Information area
2. Memory Area
3.Stack
4 Heap.

Is there any way to find out the size of an object in JAVA if yes then how?

java contains block ?
1. static block
2. init block
3 local block
4 all of the above

Static block in java executed only once at?
1. class loading time
2. Runtime.

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Pure object-Oriented language ?
1. C++
2. Java
3. Small Talk
4 None of the above.

Is switch statement is able to get String as expression ? If yes where it ispossible?

1. C++
2. Java 7
3 Java 8
4 none of these

An array can be declared in two ways in java
Int a1[ ]=new int [3];
int [ ]a2= new int [3];

What is the difference between these two declrations.

Happy New year 2017 Enjoy the day