CS102 QUIZ

What is the output of the below Java code snippet?

char ch = 'A';//ASCII 65

int a = ch + 1;

ch = (char)a;

System.out.println(ch);

• A) 66

• B) A

• C) B

• D) 65

Which type of loop is best known for its boolean condition that controls entry to the loop?

• A. do-while loop

• B. for (traditional)

• C. for-each

• D. while

char is 2 byte in storage?

• True

• False

What is the output of the following code snippet?

int i = 0; for(i = 0 ; i < 5; i++)

{ }

System.out.println(i);

• A. 5

• B. 0

• C. 4

• D. Compilation Error

Function of the Scanner class to accept a float literal from the user is

• nextInt( )

• hasNext( )

• next( )

• nextFloat( )

Predict the value of k,

int k =10;

k=k+k++;

• 11

• 20

• 21

• 22

Which component is used to compile,debug and execute the java programs ?

• JRE

• JIT

• JDK

• JVM

Which one of the following is not a java feature

• Object-oriented

• Use of pointers

• Portable

• Dynamic and Extensible

Which of these cannot be used for a variable name in java ?

• Identifier & keyword

• Identifier

• Keyword

• None of the mentioned

Which of these are selection statements in java

• Break

• Continue

• For ( )

• If ( )