Q.1
What is the file extension for Java Source Code?
  • .java
  • .class
  • .exe
  • .obj
Q.2
Which of the following is not a feature of Java
  • Robust
  • Platform Specific
  • Multithreaded
  • Object-Oriented
Q.3
Which of the following is not the OOPS concept in Java?
  • Inheritance
  • Encapsulation
  • Polymorphism
  • Compilation
Q.4
Which of the following best describes what a variable is in computer programming terms?
  • the value of x
  • A named location of the computer's memory that will store data
  • the value of y
  • Any data that a computer will need to store
Q.5
Which of these are tokens
  • Keywords
  • Identifiers
  • String
  • All of the above
Q.6
What is the escape sequence for horizontal tab
  • \t
  • \v
  • \0
  • \b
Q.7
What is the file extension for Java Executable Code?
  • .java
  • .class
  • .exe
  • .obj
Q.8
Which of the below is an invalid identifier with the main method?
  • private
  • public
  • static
  • void
Q.9
What is the file extension for saving a Java file?
  • .java
  • java
  • .jar
  • .jpg
Q.10
What is the old name for Java Programming?
  • Java
  • Oak
  • Java2
  • C++
Q.11
Which of the following is a correct header line for main in a Java program?
  • public static void main(args)
  • public static void main(args [ ])
  • public static void main(String args)
  • public static void main(String args[ ])
Q.12
What this prints
  • 1010
  • 10 10
  • 10
  • 9 9
Q.13
Select the correct output of following java code
  • 4 6
  • 2 4
  • 8
  • 10
Q.14
Which of the following is the correct way to storevalues in an array?
  • int a[ 40]=new int[ ];
  • int a[ ]=new int[40];
  • int a[0 - 40]
  • int a [40];
Q.15
Which of the following is a valid print statement?
  • System.out.println("Hello");
  • System.out.printLn("Hello");
  • system.out.println("Hello");
  • println("Hello");
Q.16
Which of the following is a valid declaration of a field?
  • public int age;
  • private int age;
  • private int Age;
  • public int Age
Q.17
What is the output of the expression?
  • An error
  • catfish
  • fish
  • cat
Q.18
What would this output?
  • 5bike134
  • 12bike134
  • 5bike17
  • 12bike17
Q.19
Which is not a possible result of n%6
  • 0
  • 1
  • 5
  • 6
Q.20
Which math function is used to calculate the power of a number
  • Math.pow()
  • Math.log()
  • Math.cos()
  • Math.abs()
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