Question 1

A file that is compiled to produce bytecode file

Accepted Answer

class file  (java source code ) correct sa canva

Question 2

A single-line comment starts with /*

Accepted Answer

false

Question 3

long has a value that ranges from -32768 to 32767

Accepted Answer

false

Question 4

An IDE doesn't have various tools to simplify the construction of a GUI.

Accepted Answer

false

Question 5

byte has a maximum value of 128

Accepted Answer

false

Question 6

System is a class

Accepted Answer

true

Question 7

A function in C language is similar to what in Java language?

Accepted Answer

Method

Question 8

nextBoolean() reads a boolean value from the user.

Accepted Answer

true

Question 9

An IDE consists of a source code editor

Accepted Answer

true

Question 10

An IDE doesn't have debugger

Accepted Answer

false

Question 11

A Netbeans feature that is used to write, test, and debug applications for the Java Micro Edition platform (J2ME) technology-enabled mobile devices

Accepted Answer

NetBeans Mobility Pack

Question 12

Netbeans started as a student project called Selfie

Accepted Answer

false

Question 13

An IDE doesn't have build-automation tools.

Accepted Answer

false

Question 14

The goal in developing netbeans was to write a Delphi- like Java IDE in Java for the first time.

Accepted Answer

true

Question 15

Netbeans Matisse supports internationalization, and industrial look-and-feel rules, which is very important for large scale application meant to be spread world wide.

Accepted Answer

true

Question 16

double data type has a width of 8 in bytes.

Accepted Answer

true

Question 17

Java Bytecode File Extension name is .java.

Accepted Answer

False

Question 18

"	ab" is an escape character for tab.

Accepted Answer

false

Question 19

int has a width of 4 bytes

Accepted Answer

true

Question 20

A feature of java that means Java technology is designed to support applications that will be deployed into heterogeneous network environments

Accepted Answer

Architecture neutral and portable

Question 21

In standalone Java applications, which method is mandatory?

Accepted Answer

main method

Question 22

boolean data type has two or more values

Accepted Answer

false

Question 23

The while loop executes a given statement or a block of statements for a definite number of times.

Accepted Answer

false

Question 24

The statements associated with default keyword is executed if the value of the switch variable does not match any of the case constants.

Accepted Answer

true

Question 25

What will be the output of the following program?

        int i, j, k, l = 0;

        k = l++;

        j = ++k;

        i = j++;

        System.out.println(i);

Accepted Answer

2

Question 26

What is the operator in which the left operands value is moved left by the number of bits specified by the right operand.

Accepted Answer

<<

Question 27

What will be the output of the following program?

        int x = 42;

        double y = 42.25;

        System.out.println("x mod 10 = " + x % 10 );

        System.out.println("y mod 10 = " + y % 10 );

Accepted Answer

x mod 10 = 2
y mod 10 = 2.25

Question 28

The statements associated with this keyword is executed if the value of the switch variable does not match any of the case constants.

Accepted Answer

default

Question 29

4>>1

Accepted Answer

2

Question 30

What is the output of the following code fragment:

int[] y = new int[5];

y[0] = 34;

y[1] = 88;

 

System.out.println( y[0] + " " + y[1] + " " + y[5] );

Accepted Answer

The program is defective and will not compile.

Question 31

What will be the output of the following program?

class ArrayOutput
{
}

Accepted Answer

Throws ArrayIndexOutOfBoundsException

Question 32

int count = 0;
for ( ;  count < 9; ++coConsider the following codes:

int x=3;

System.out.println(x++);

What will be the EXACT output?unt )
System.out.print( count + " " );
 
System.out.println( );

Accepted Answer

0 1 2 3 4 5 6 7 8

Question 33

Consider the following codes:

int x=3;

System.out.println(x++);

What will be the EXACT output?

Accepted Answer

4

Question 34

What must the initialization be so that the following fragment prints out the integers -3 -2 -1 ?

for ( _______; j < 0; j++    )

System.out.print( j + " " );

System.out.println( );

Accepted Answer

int j = -4

Question 35

Consider the following codes:

int x=4;

System.out.println(--x);

What will be the EXACT output?

Accepted Answer

3

Question 36

What is the operator in which The left operands value is moved right by the number of bits specified by the right operand and shifted values are filled up with zeros.

Accepted Answer

>>>

Question 37

Assigns values from right side operands to left side operand.

Accepted Answer

=

Question 38

class CalculateSum
{
}

Accepted Answer

Throws ArrayIndexOutOfBoundsException

Question 39

If any of the two operands are non-zero, then the condition becomes true.

Accepted Answer

||

Question 40

What is the output of the following code fragment:

int[] ar = {2, 4, 6, 8 };

System.out.println( ar[0] + " " + ar[1] );

Accepted Answer

2 4

Question 41

boolean lampX = false, result;

        boolean lampY = true;

        result = lampY &The case statement is used to conditionally perform statements based on an integer expression
& lampX;

        System.out.println("Lamp switch-on " + result);

Accepted Answer

Lamp switch-on false
Lamp switch-on false

Question 42

The case statement is used to conditionally perform statements based on an integer expression

Accepted Answer

true

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