Which of the following statements are valid array declarations?

Question

Which of the following statements are valid array declarations?

A. int number();

B. float average[];

C. double[] marks;

D. counter int[];

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Which of the following methods can be used to change the size of a
size() *
resize()

A. component

B. dimension()

C. setSize()

D. size()

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We can add more than one class(es) at the time of compilation Java Beans.

A. True.

B. False.

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All methods in an abstract class must be declared abstract.

A. True

B. False

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Throwing an exception always causes program termination.

A. True

B. False

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Java always provides a default constructor to a class.

A. True

B. False

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It is an error if a class with one or more abstract methods is not explicitly declared abstract.

A. True

B. False

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Connection, Statement are interfaces and ResultSet is a class.

A. True.

B. False.

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Which of the following statements are true?

A. UTF characters are all 24 bits.

B. Reader class has methods that can read integers and floats.

C. Unicode characters are all 16 bits.

D. all of the above

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Two methods cannot have the same name in Java.

A. True

B. False

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A class may be both abstract and final.

A. True

B. False

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class.forName(...) creates an instance of java ODBC driver

A. True

B. False

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Given the code
String s = new String("abc");
Which of the following calls are valid?

A. s.toUpperCase()

B. s.append("xyz")

C. s.setCharAt(1<'A')

D. all of the above

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The modulus operator (%) can be used only with Integer operands.

A. True

B. False

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All the bitwise operators have the same level of precedence in Java.

A. True

B. False

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When the string objects are compared with ==, the result is true If the strings contain the same values.

A. True

B. False

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Which key word can protect a class in package from accessibility by the classes outside the package?

A. private

B. protected

C. final

D. don't use any keyword at all(make it default)

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When we implement the Runnable interface, we must define the method

A. start()

B. init()

C. runnable()

D. run()

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Which of the following will produce a value of 22 if x=22.9:

A. Ceil(x)

B. Round(x)

C. Rint(x)

D. Abs(x)

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DriverManager.getConnection("jdbc:odbc:dsn_name") method does not depend on the class.forName(...) method.

A. True.

B. False.

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A final class may not have any abstract method.

A. True

B. False

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Which exception is thrown by the read() method of InputStream class?

A. IOException

B. FileNotFoundException

C. ReadException

D. None of the above

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Every call to wait has a corresponding call to notify that will eventually end the wafting.

A. True

B. False

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We can over load methods with differences only in their return type.

A. True

B. False

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Which of the following keywords are used to control access to a class member?

A. default

B. protected

C. interface

D. None of the above

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Consider the following statements:

int x = 10, y = 15; 
x = ((x < y) ? (y + x) : (y - x);

What will be the value of x after executing these statements?

A. 25

B. 15

C. 5

D. Error can't be executed.

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Java is fully object oriented programme.

A. true

B. false

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Which are the valid ways to create DataInputStream streams?

A. new DataInputStream(new File("in.dat"));

B. new DataInputStream(new FileInputStream("in.dat"));

C. new DataInputStream("in.dat");

D. new DataInputStream("in.data","r");

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Which of the following are keywords?

A. integer

B. default

C. Boolean

D. Object

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Declarations can appear anywhere in the body of a Java method.

A. True

B. False

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If you want to assign a value of 99 to the variable year, then which of the following lines can be used within an <applet> tags?

A. number=getParameter(99)

B. <number==99>

C.

D. <param = radius value ==99>

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Accepted Answer

B. float average[];

Which of the following statements are valid array declarations?

Correct Answer :

Show all Java Programming MCQ

Related Questions

Which of the following methods can be used to change the size of a
size() *
resize()

We can add more than one class(es) at the time of compilation Java Beans.

All methods in an abstract class must be declared abstract.

Throwing an exception always causes program termination.

Java always provides a default constructor to a class.

It is an error if a class with one or more abstract methods is not explicitly declared abstract.

Connection, Statement are interfaces and ResultSet is a class.

Which of the following statements are true?

Two methods cannot have the same name in Java.

A class may be both abstract and final.

class.forName(...) creates an instance of java ODBC driver

Given the code
String s = new String("abc");
Which of the following calls are valid?

The modulus operator (%) can be used only with Integer operands.

All the bitwise operators have the same level of precedence in Java.

When the string objects are compared with ==, the result is true If the strings contain the same values.

Which key word can protect a class in package from accessibility by the classes outside the package?

When we implement the Runnable interface, we must define the method

Which of the following will produce a value of 22 if x=22.9:

DriverManager.getConnection("jdbc:odbc:dsn_name") method does not depend on the class.forName(...) method.

A final class may not have any abstract method.

Which exception is thrown by the read() method of InputStream class?

Every call to wait has a corresponding call to notify that will eventually end the wafting.

We can over load methods with differences only in their return type.

Which of the following keywords are used to control access to a class member?

Consider the following statements:
int x = 10, y = 15;
x = ((x < y) ? (y + x) : (y - x);

What will be the value of x after executing these statements?

Java is fully object oriented programme.

Which are the valid ways to create DataInputStream streams?

Which of the following are keywords?

Declarations can appear anywhere in the body of a Java method.

If you want to assign a value of 99 to the variable year, then which of the following lines can be used within an <applet> tags?

Also checkout

Which of the following statements are valid array declarations?

Correct Answer :

Show all Java Programming MCQ

Related Questions

Which of the following methods can be used to change the size of a size() *resize()

We can add more than one class(es) at the time of compilation Java Beans.

All methods in an abstract class must be declared abstract.

Throwing an exception always causes program termination.

Java always provides a default constructor to a class.

It is an error if a class with one or more abstract methods is not explicitly declared abstract.

Connection, Statement are interfaces and ResultSet is a class.

Which of the following statements are true?

Two methods cannot have the same name in Java.

A class may be both abstract and final.

class.forName(...) creates an instance of java ODBC driver

Given the codeString s = new String("abc");Which of the following calls are valid?

The modulus operator (%) can be used only with Integer operands.

All the bitwise operators have the same level of precedence in Java.

When the string objects are compared with ==, the result is true If the strings contain the same values.

Which key word can protect a class in package from accessibility by the classes outside the package?

When we implement the Runnable interface, we must define the method

Which of the following will produce a value of 22 if x=22.9:

DriverManager.getConnection("jdbc:odbc:dsn_name") method does not depend on the class.forName(...) method.

A final class may not have any abstract method.

Which exception is thrown by the read() method of InputStream class?

Every call to wait has a corresponding call to notify that will eventually end the wafting.

We can over load methods with differences only in their return type.

Which of the following keywords are used to control access to a class member?

Consider the following statements: int x = 10, y = 15; x = ((x < y) ? (y + x) : (y - x); What will be the value of x after executing these statements?

Java is fully object oriented programme.

Which are the valid ways to create DataInputStream streams?

Which of the following are keywords?

Declarations can appear anywhere in the body of a Java method.

If you want to assign a value of 99 to the variable year, then which of the following lines can be used within an <applet> tags?

Also checkout

Which of the following methods can be used to change the size of a
size() *
resize()

Given the code
String s = new String("abc");
Which of the following calls are valid?

Consider the following statements:
int x = 10, y = 15;
x = ((x < y) ? (y + x) : (y - x);

What will be the value of x after executing these statements?