Java Programming Quiz

Predict the output of following Java program class Main { public static void main(String args[]){ final int i; i = 20; i = 30; System.out.println(i); } }

• 30

• Compiler Error

• Garbage value

• 0

Predict the output of following Java program // Note static keyword after import. import static java.lang.System.*; class StaticImportDemo { public static void main(String args[]) { out.println("Technical Training"); } }

• Compiler Error

• Runtime Error

• Technical Training

• None of the above

class Main { public static void main(String args[]) { int t; System.out.println(t); } }

• 0

• garbage value

• compiler error

• runtime error

Which of the following option leads to the portability and security of Java?

• Bytecode is executed by JVM

• The applet makes the Java code secure and portable

• Use of exception handling

• Dynamic binding between objects

Which of the following is not a Java features?

• Dynamic

• Architecture Neutral

• Use of pointers

• Object-oriented

_____ is used to find and fix bugs in the Java programs.

• JVM

• JRE

• JDK

• JDB

What is the size of float and double in java?

• 32 and 64

• 32 and 32

• 64 and 64

• 64 and 32

Find the output of the following code. if(1 + 1 + 1 + 1 + 1 == 5){ System.out.print("TRUE"); } else{ System.out.print("FALSE"); }

• TRUE

• FALSE

• Compile error

• None

What is the value of the expression 5+2==7 && 4>3 in Java?

• True

• False

• 0

• 1

What will be the output of the following Java program? class Output { public static void main(String args[]) { int a=1,b=2;c=3; a |= 4; b >>= 1; c <<= 1; a ^= c; } }

• 3 1 6

• 2 2 3

• 2 3 4

• 3 3 6