Java Simple - 1

Which statement is true about Java?

• Java is a sequence-dependent programming language

• Java is a code dependent programming language

• Java is a platform-dependent programming language

• Java is a platform-independent programming language

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

• identifier & keyword

• identifier

• keyword

• none of the mentioned

What is the value of g?

int g = 3;

System.out.print(++g * 8);

(a)  

Which of the following is not an OOPS concept in Java?

• Polymorphism

• Inheritance

• Compilation

• Encapsulation

StringBuffer s1 = new StringBuffer("Quiz");

StringBuffer s2 = s1.reverse();

System.out.println(s2);

Find the Output?

• QuizziuQ

• Quiz

• ziuQQuiz

• ziuQ

Select the valid statement.

• char[] ch = new char(5);

• char[] ch = new char[5];

• char[] ch = new char();

• char[] ch = new char[];

When is the object created with new keyword?

• At run time

• At compile time

• Depends on the code

• None

Identify the corrected definition of a package.

• A package is a collection of editing tools

• A package is a collection of classes

• A package is a collection of classes and interfaces

• A package is a collection of interfaces

Identify the keyword among the following that makes a variable belong to a class,rather than being defined for each instance of the class.

• final

• static

• volatile

• abstract

Identify the output of the following program.

String str = “abcde”; System.out.println(str.substring(1, 3));

• abc

• bc

• bcd

• cd