A syntax error is:

A. An error that is not detected until a program is run

A grammatical mistake in the code

A mistake in the undelaying algorithm for a program

None of the above

The following variable name (class) is not allowed because:

The variable name contains a space

The variable name contains special characters

The variable name is a reserved word

The variable name starts with a number

Consider the following declaration: boolean iKnow; The variable iKnow will be automatically initialized to which of the following?

True

False

The String class belongs to the package:

Java.net

. java.util

Java.awt

Java.lang

Java is

Object oriented programming language

Event driven programming language

Procedural programming language

None of the above

In Java, a block comment (multiline comment) is represented by:

*/ /*

/* */

" "

Which of the following String methods will return -1 if the string is not found:

CharAt(postion)

IndexOf(String)

Length()

CompareTo(String)

�………A program that translates a high-level language program into an equivalent low-level language program:

Compiler

Class loader

Interpreter

JRE

Which of the following is not a Java primitive data type?

Short

Long

Float

String

What is the result of the following expression? 10 + 5 * 3 – 20

-5

-50

.Which of the following is not an arithmetic operator in Java?

The Boolean expression ((6>=6) && (1>0)) will result to_________.

True

False

Null

None of the above

.The following variable name (double) is not allowed because:

The variable name contains a space

The variable name contains special characters

The variable name is a reserved word

The variable name starts with a number

The default value of a char variable is:

False

True

' '

Semantics is:

The meaning of things written while following the syntax rules

The grammar rules of a language

The logical error made by the user

. All of the above

Which operator is used to concatenate two strings:

What is the output of the following code: String examDay= "SUNDAY"; System.out.println(examDay.substring(3));

SUNDAY

UNDAY

NDAY

DAY

Which of the following statements is used to run the program FirstProgram:

Java FirstProgram.java

FirstProgram.java

Javac FirstProgram.java

Java FirstProgram

.Which of the following String methods will return -1 if the string is not found:

CharAt(postion)

IndexOf(String)

LastIndexOf(String)

. compareTo(String)

.A Java program that is meant to be run from a web browser is:

A Java application

A Java applet

A system software

A data

. Which of the following Java statements is illegal:

Int a= 5.7;

Double b= 3;

int a = (int) 3.4;

Double ans = n/ (double) m;

Which of the following is not a valid Java identifier?

Answer_7

Highest$

Myname

2ndlevel

The Boolean expression !(6>=6 || 1>0) will result to:

True

False

Null

None of the above

Which of the following statements will compile the Java program with name Students:

Java Students.java

Javac Students.java

Students.java

Javac Students

There are two type of Java Programs:

Applications and Applets

Applets and comilers

Machine code and Applications

Main method and class

.The output of the following code is: int a = 4; System.out.println(++a);

All of the above

Identify the error in this code: char grade= "A";

No errors in the code

The type should be written character not char

The value should be in a single quotes ' ' not double quotation " "

The variable name is not allowed

The output of the following code is: String s1= "ICS102 is an easy course"; System.out.println(s1.indexOf ("easy"));

The output of the following code is: String s1= "ICS102 is an easy course"; System.out.println(s1.charAt(7));

.The escape sequence that represents the tab is:

What is the output of the following code: String examDay= "SUNDAY"; System.out.println(examDay.charAt(2));

What is the value of the following expression (+ + a) / 5 when a= 4:

.This expression sum + = 3 is equivalent to:

Sum = sum – 3

Sum = 3

Sum = sum + 3

Sum + 3

The Java compiler translates Java source code into:

Java byte-code

C++

Assembly code

Java Virtual Machine

Which of the following is not a valid Java identifier?

Answer_7

Highest$

Myname

2ndlevel

.Which of the following is a valid Java statement?

String str = 'University of Hail';

String str = "University of Hail";

String str = 'University of Hail';

String str = "University of Hail";

The main method is of type:

Return

Constructor

Class

Void

Which one of the following is the not equal operator?

< >

NOT

More Quizzes