Which of the following are keywords?

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Which of the following are keywords?

A. integer

B. default

C. Boolean

D. Object

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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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A package is a collection of

A. classes

B. interface

C. editing tools

D. classes and interfaces

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The concept of multiple inheritance is implemented in Java by

A. extending two or more classes

B. extending one class and implementing one or more interfaces

C. all the above

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One the features of is that an array can store many different types of values.

A. True

B. False

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When we implement an interface method, it should be declared as public.

A. True

B. False

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The name of a Java program file must match the name of the class with the extension Java.

A. True

B. False

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In RMI before running the client program we must start RMI Registry.

A. True.

B. False.

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The length of a string object 's1' can be obtained using the expression s1.length.

A. True

B. False

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If a=10 and b= 15, then the statement x =(a>b)?a:b; assigns the value 15 to x.

A. True

B. False

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An individual array element that is passed to a method and modified in that method will contain the modified value when the called method completes execution.

A. True

B. False

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The import statement is always the first no comment statement in a Java program files.

A. True

B. False

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The setBackground() method is part of the class

A. Applet

B. Component

C. Container

D. Object

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Frames and applets cannot be used together in the same program.

A. True

B. False

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When X is a positive number the operations x>> 2 and x>>>2 both produce the same result.

A. True

B. False

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A thread can make second thread ineligible for execution by calling the suspend (-) method on second thread.

A. True

B. False

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Which of the following will produce a value of 10 if x = 9.7?

A. floor(x)

B. abs(x)

C. rint(x)

D. round(x)

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Declaring a method synchronized guarantees that the deadlock cannot occur.

A. True

B. False

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

A. True

B. False

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The keywords reserved but not used in the initial version of Java re:

A. Synchronized

B. Boolean

C. union

D. goto

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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 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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The expression (x == y && a<b) is true If either x == y is true or a<b is true.

A. True

B. False

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Which of the following are the wrapper classes?

A. Random

B. Vector

C. Byte

D. all of the above

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Which of the following classes are available in the java.lang package?

A. Random

B. Stack

C. String Buffer

D. Vector

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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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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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Which of the following methods can be used to draw the outline of a square?

A. fillRect()

B. drawLine()

C. drawString()

D. all of the above

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

A. True

B. False

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JSP files creates ________________

A. html files

B. html files and java files

C. java files and class files

D. None of the above.

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With javadoc, which of the following denotes a javadoc comment?

A. //#

B. /*

C. /**

D. //**

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Accepted Answer

B. default

Which of the following are keywords?

Correct Answer :

Show all Java Programming MCQ

Related Questions

Which of the following statements are true?

A package is a collection of

The concept of multiple inheritance is implemented in Java by

One the features of is that an array can store many different types of values.

When we implement an interface method, it should be declared as public.

The name of a Java program file must match the name of the class with the extension Java.

In RMI before running the client program we must start RMI Registry.

The length of a string object 's1' can be obtained using the expression s1.length.

If a=10 and b= 15, then the statement x =(a>b)?a:b; assigns the value 15 to x.

An individual array element that is passed to a method and modified in that method will contain the modified value when the called method completes execution.

The import statement is always the first no comment statement in a Java program files.

The setBackground() method is part of the class

Frames and applets cannot be used together in the same program.

When X is a positive number the operations x>> 2 and x>>>2 both produce the same result.

A thread can make second thread ineligible for execution by calling the suspend (-) method on second thread.

Which of the following will produce a value of 10 if x = 9.7?

Declaring a method synchronized guarantees that the deadlock cannot occur.

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

The keywords reserved but not used in the initial version of Java re:

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

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

The expression (x == y && a<b) is true If either x == y is true or a<b is true.

Which of the following are the wrapper classes?

Which of the following classes are available in the java.lang package?

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

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

Which of the following methods can be used to draw the outline of a square?

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

JSP files creates ________________

With javadoc, which of the following denotes a javadoc comment?

Also checkout

Which of the following are keywords?

Correct Answer :

Show all Java Programming MCQ

Related Questions

Which of the following statements are true?

A package is a collection of

The concept of multiple inheritance is implemented in Java by

One the features of is that an array can store many different types of values.

When we implement an interface method, it should be declared as public.

The name of a Java program file must match the name of the class with the extension Java.

In RMI before running the client program we must start RMI Registry.

The length of a string object 's1' can be obtained using the expression s1.length.

If a=10 and b= 15, then the statement x =(a>b)?a:b; assigns the value 15 to x.

An individual array element that is passed to a method and modified in that method will contain the modified value when the called method completes execution.

The import statement is always the first no comment statement in a Java program files.

The setBackground() method is part of the class

Frames and applets cannot be used together in the same program.

When X is a positive number the operations x>> 2 and x>>>2 both produce the same result.

A thread can make second thread ineligible for execution by calling the suspend (-) method on second thread.

Which of the following will produce a value of 10 if x = 9.7?

Declaring a method synchronized guarantees that the deadlock cannot occur.

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

The keywords reserved but not used in the initial version of Java re:

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

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

The expression (x == y && a<b) is true If either x == y is true or a<b is true.

Which of the following are the wrapper classes?

Which of the following classes are available in the java.lang package?

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

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

Which of the following methods can be used to draw the outline of a square?

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

JSP files creates ________________

With javadoc, which of the following denotes a javadoc comment?

Also checkout

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