Java basic

what is the output of the code?

• AB

• 195

• 131

• Error

Output of the code?

• ABA

• AB65

• Error

• AB

Output of the code?

• HelloGuys!

• Hello Guys!

• Hello

  Guys!

• Compile with a Warning

What is byte code in Java?

• 1. It is another name for java source file that contain the information about the hardware.

• 1. It is a binary code generated by the Java Virtual Machine for operating system.

• 1. It is an intermediate code generated by the java compiler for Java Virtual Machine.

• 1. None of these

Output of the code?

• 10

• a

• Unprintable Character

• Error

Which is the correct declaration of a boolean variable?

• 1. boolean isAdult='false';

• 1. boolean isAdult=0;

• 1. boolean isAdult="false";

• 1. boolean isAdult=false;

Output of the program?

• 12345678910

• 11

• Error

• 1 2 3 4 5 6 7 8 9 10

Output of the code?

• True

• False

what will be the error in the code?

• b cannot contain value 50

• b cannot contain value 100, limited by its range

• No error in this code
  

• operator has converted b 50 into int, which can not be converted to byte without casting

Which of the following is a type of polymorphism in Java Programming?

• Multiple polymorphism

• Compile time polymorphism

• Multilevel polymorphism

• Execution time polymorphism