Quiz on Java Basics for Beginners

Which of the following is not a use of Java?

Which part of Java contains all the set of library files and the JVM used files ?

What will be the output of the program ?

3. Class Example {

Public static void main ( String args [ ] ) 

{

String name = “DataFlair”;

String name2 = “webservices”;

system.out.println(“we are “ + name + “ and  we provide “ + name2 );

}

}

Which of the following is not true about Java virtual machine ?

Which is the correct way that JVM executes a code ?

 Which framework in Java is used to send output to the console screen ?

What will be the value of a ?

class CommentLines {

public static void main ( String args [ ] ) 

{

int a = 6 ;

++a;

/*

a = a + 1;;

*/

++a;

system.out.println(a);

}

}

Which of the following is a literal in Java ?

 What are the two keywords that are reserved in Java even though they are not in use now ?

What will be the values of a and b after execution ?

class SwapNumber {

int a,b;

            void swapping(int a, int b) {

     b = b + a;

a = b – a;

b = b – a;

}

class Function {

public static void main(String args [ ] ) 

{

SwapNumber obj = new SwapNumbers ();

obj.swapping(99,88);

System.out.printf(a + “,“ + b );

}

}

What will be the output of the program ?

class SumandProduct {

public static void main ( String args [ ] ) 

{

int a = 10 , b = 12 , c;

c= a + b ;

system.out.println(c);

c = a * b;

system.out.println(c);

}

}

What will be the output of this program ?

class Example {

public static void main ( String args [ ] ) 

{

String a = “Data”;

String b = “Data”;

if(a == b) {

system.out.println(“two String are equal”);

}else {

system.out.println(“Strings are not equal”);

}

}

}

How many times will DataFlair be printed ?

Class JAVA {

public static void main ( String args [ ] ) 

{ 

for( ; ; ) {

system.out.println(“DataFlair”);

}

}

}

What is the keyword name of the variable that changes its values asynchronously during the execution of the program?

Where does the output of standalone applications display?