Question 1

Which of these values can a boolean variable contain?

Accepted Answer

A) True & False 
B) 0 & 1 
C) Any integer value. 
D) Both a & b 
A) True & False 
B) 0 & 1 
C) Any integer value. 
D) Both a & b A

Question 2

Which is a valid float literal?

Accepted Answer

A) 1.23 
B) 2 
C) 1.23d 
D) 1.23f 
A) 1.23 
B) 2 
C) 1.23d 
D) 1.23f D

Question 3

What is the value of the expression 8 << 2 ?

Accepted Answer

A) 2 
B) 32 
C) 1 6 
D) 5 
A) 2 
B) 32 
C) 1 6 
D) 5 B

Question 4

Which one of the following is a valid identifier in java?

Accepted Answer

A) x1 
B) 1x 
C) $x 
D) x 1 
A) x1 
B) 1x 
C) $x 
D) x 1

Question 5

Which of these is necessary condition for automatic type conversion in Java?

Accepted Answer

A) The destination type is smaller than source type. 
B) The destination type is larger than source type. 
C) The destination type can be larger or smaller than source type. 
D) None of the mentioned 
A) The destination type is smaller than source type. 
B) The destination type is larger than source type. 
C) The destination type can be larger or smaller than source type. 
D) None of the mentioned

Question 6

The keyword used to create a constant variable

Accepted Answer

A) const 
B) static 
C) final 
D) none of these 
A) const 
B) static 
C) final 
D) none of these

Question 7

Which of the following loops will execute the body of loop even when condition controlling the loop is initially false?

Accepted Answer

A) do-while 
B) while 
C) for 
D) None of the mentioned 
A) do-while 
B) while 
C) for 
D) None of the mentioned

Question 8

Java source files are compiled and converted to

Accepted Answer

A) Object code 
B) machine code 
C) Bytecode 
D) executable file 
A) Object code 
B) machine code 
C) Bytecode 
D) executable file

Question 9

JVM is ___________for bytecode.

Accepted Answer

A) a compiler 
B) an interpreter 
C) assembler 
D) none of the above 
A) a compiler 
B) an interpreter 
C) assembler 
D) none of the above

Question 10

Which one of the following is a jump statement in java?

Accepted Answer

A) goto 
B) jump 
C) break 
D) if 
A) goto 
B) jump 
C) break 
D) if

Question 11

What is the numerical range of a char in Java?

Accepted Answer

A) -128 to 127 
B) 0 to 256 
C) 0 to 32767 
D) 0 to 65535 
A) -128 to 127 
B) 0 to 256 
C) 0 to 32767 
D) 0 to 65535

Question 12

Which of these coding types is used for data type char in Java?

Accepted Answer

A) ASCII 
B) ISO-LATIN-1 
C) UNICODE 
D) None of the mentioned 
A) ASCII 
B) ISO-LATIN-1 
C) UNICODE 
D) None of the mentioned

Question 13

Which of these are selection statements in Java?

Accepted Answer

A) if 
B) for 
C) continue 
D) all of these 
A) if 
B) for 
C) continue 
D) all of these

Question 14

Which operator is used to implement unsigned right shift of an integer?

Accepted Answer

A) > 
C) >> 
A) > 
C) >>

Question 15

What is the error in this code?
Byte b = 50;
B = b * 50;

Accepted Answer

A) b can not store the result 2500, limited by its range. 
B) * operator has converted b * 50 into int, which can not be converted to byte without casting. 
C) b can not contain value 50. 
D) No error in this code 
A) b can not store the result 2500, limited by its range. 
B) * operator has converted b * 50 into int, which can not be converted to byte without casting. 
C) b can not contain value 50. 
D) No error in this code

Question 16

Which of these selection statements test only for equality?

Accepted Answer

A) if 
B) switch 
C) Both a & b 
D) None of the mentioned 
A) if 
B) switch 
C) Both a & b 
D) None of the mentioned

Question 17

Which of the following statements about the Java language is true?

Accepted Answer

A) Java supports only Procedural Oriented Programming approach 
B) Both Procedural and Object Oriented Programming are supported in Java 
C) Java supports only Object Oriented Programming approach 
D) None of the Above 
A) Java supports only Procedural Oriented Programming approach 
B) Both Procedural and Object Oriented Programming are supported in Java 
C) Java supports only Object Oriented Programming approach 
D) None of the Above

Question 18

Which of these jump statements can skip processing remainder of code in its body for a particular iteration?

Accepted Answer

A) break 
B) return 
C) exit 
D) continue 
A) break 
B) return 
C) exit 
D) continue

Question 19

Who is considered as the creator of JAVA ?

Accepted Answer

A) Dennis Richie 
B) Ken Thompson 
C) James Gosling 
D) Bjarne Stroupstrup 
A) Dennis Richie 
B) Ken Thompson 
C) James Gosling 
D) Bjarne Stroupstrup

Question 20

What is stored in the object obj in following lines of code?
Box obj;

Accepted Answer

A) Memory address of allocated memory of object. 
B) NULL 
C) Any arbitrary pointer 
D) Garbage 
A) Memory address of allocated memory of object. 
B) NULL 
C) Any arbitrary pointer 
D) Garbage

Which of these values can a boolean variable contain?

Which is a valid float literal?

What is the value of the expression 8 << 2 ?

Which one of the following is a valid identifier in java?

Which of these is necessary condition for automatic type conversion in Java?

The keyword used to create a constant variable

Which of the following loops will execute the body of loop even when condition controlling the loop is initially false?

Java source files are compiled and converted to

JVM is ___________for bytecode.

Which one of the following is a jump statement in java?

What is the numerical range of a char in Java?

Which of these coding types is used for data type char in Java?

Which of these are selection statements in Java?

Which operator is used to implement unsigned right shift of an integer?

What is the error in this code? Byte b = 50; B = b * 50;

Which of these selection statements test only for equality?

Which of the following statements about the Java language is true?

Which of these jump statements can skip processing remainder of code in its body for a particular iteration?

Who is considered as the creator of JAVA ?

What is stored in the object obj in following lines of code? Box obj;

Java Object-Oriented Programming

Java Programming: Data Types, Inheritance, Interfaces, Packages, and Exception Handling

Java Exception Handling and Inputoutput Operations

Java Inputoutput and Event Handling

AWT Components and Layout Management in Java

Java Programming Concepts

Java Thread Class, Exception Handling, and Garbage Collection

Java Multithreading and Exception Handling

Java Programming Language: Inheritance, Interfaces, Packages, and Methods

Java Programming : JDBC API, Layout Managers, and Event Handling

Java RMI and Swing Framework

Java Programming: GUI, RMI, Polymorphism, and String Handling

Java Programming:methods, Data Types, Operators, and Classes

Java Programming : Event Handling, Exception Handling

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Exam 1: Java Programming Language

Which of these values can a boolean variable contain?

Which is a valid float literal?

What is the value of the expression 8 << 2 ?

Which one of the following is a valid identifier in java?

Which of these is necessary condition for automatic type conversion in Java?

The keyword used to create a constant variable

Which of the following loops will execute the body of loop even when condition controlling the loop is initially false?

Java source files are compiled and converted to

JVM is ___________for bytecode.

Which one of the following is a jump statement in java?

What is the numerical range of a char in Java?

Which of these coding types is used for data type char in Java?

Which of these are selection statements in Java?

Which operator is used to implement unsigned right shift of an integer?

What is the error in this code? Byte b = 50; B = b * 50;

Which of these selection statements test only for equality?

Which of the following statements about the Java language is true?

Which of these jump statements can skip processing remainder of code in its body for a particular iteration?

Who is considered as the creator of JAVA ?

What is stored in the object obj in following lines of code? Box obj;

Java Object-Oriented Programming

Java Programming: Data Types, Inheritance, Interfaces, Packages, and Exception Handling

Java Exception Handling and Inputoutput Operations

Java Inputoutput and Event Handling

AWT Components and Layout Management in Java

Java Programming Concepts

Java Thread Class, Exception Handling, and Garbage Collection

Java Multithreading and Exception Handling

Java Programming Language: Inheritance, Interfaces, Packages, and Methods

Java Programming : JDBC API, Layout Managers, and Event Handling

Java RMI and Swing Framework

Java Programming: GUI, RMI, Polymorphism, and String Handling

Java Programming:methods, Data Types, Operators, and Classes

Java Programming : Event Handling, Exception Handling

Filters