Description : State true or false. i) comparisons precede logical operations in java ii) assignment operations succeed increment operations iii) arithmetic operations succeed comparisons iv) x precede + A) i-true, ii-true, iii-false, ... false, ii-true, iii-false, iv-false D) i-true, ii-false, iii-false, iv-true
Last Answer : A) i-true, ii-true, iii-false, iv-true
Description : What is significance of import java.io.* in your program?
Last Answer : A: The line imports all the classes of the java.io package into the current program.
Description : The audit plan should (select the exception) a. Be flexible b. Precede performance of procedures c. Succeed action d. Be cost-beneficial
Last Answer : Succeed action
Description : What is the default java package?
Last Answer : A: java.lang
Description : Why did you write java.util package? (only if you use classes like Scanner or StringTokenizer)
Last Answer : A: To include the functions of the Scanner or StringTokenizer class from the java.util package.
Description : ............... package is used by compiler itself. So it does not need to be imported for use. A) java.math B) java.awt C) java.applet D) java.lang
Last Answer : D) java.lang
Description : The class string belongs to ................... package. A) java.awt B) java.lang C) java.applet D) java.string
Last Answer : B) java.lang
Description : System.in.read() is being used, the program must specify the .................. clause. A) throws.java.out.IOException B) throws.java.in.IOException C) throws.java.io.IOException D) throws.java.io.InException
Last Answer : C) throws.java.io.IOException
Description : Match the following. a) Java 1) is a tool for debugging java program b) Javah 2) is a tool for creating C-like header files c) Javap 3) runs java bytecode d) jdb 4) prints java code representation A) a-3, b-2,c-1 B) a-3, b-1, c-4, d-2 C) a-1, b-2, c-3, d-4 D) a-2, b-1, c-3, d-4
Last Answer : B) a-3, b-1, c-4, d-2
Description : State true or false for Java Program. i) Data members of an interface are by default final ii) An abstract class has implementations of all methods defined inside it. A) i-false, ii-false B) i-false, ii-true C) i-true, ii-false D) i-true, ii-true
Last Answer : C) i-true, ii-false
Description : State true or false for Java Program. i) All class variables are instance variables ii) All protected methods are friendly methods A) i-false, ii-false B) i-false, ii-true
Last Answer : B) i-false, ii-true
Description : The compiled java program can run on any ..................... plateform having Java Virtual Machine (JVM) installed on it. A) program B) java C) hardware D) non java
Last Answer : C) hardware
Description : The jdb is used to A) Create a jar archive B) Debug a java program C) Create C header file D) Generate java documentation
Last Answer : B) Debug a java program
Description : The command javac A) Converts a java program into binary code B) Converts a java program into bytecode C) Converts a java program into machine language D) None of the above.
Last Answer : B) Converts a java program into bytecode
Description : The command javac is used to A) debug a java program B) compile a java program C) interpret a java program D) execute a java program
Last Answer : B) compile a java program
Description : Which one of the following is correct? (A) Java applets cannot be written in any programming language (B) An applet is not a small program. (C) An applet can be run on its own. (D) Applets are embedded in another applications.
Last Answer : (D) Applets are embedded in another applications.
Description : Consider the following JAVA program: public class First { public static int CBSE (int x) { if (x < 100) x = CBSE (x +10); return (x - 1); } public static void main (String[] args){ System.out.print(First.CBSE(60)); } } What does this program print? (1) 59 (2) 95 (3) 69 (4) 99
Last Answer : (2) 95
Description : Each method in a java class must have a unique name . A) Not necessary B) True C) False D) None of the above
Last Answer : A) Not necessary
Description : In Java, when we implement an interface method, it must be declared as: (A) Private (B) Protected (C) Public (D) Friend
Last Answer : (C) Public
Description : State true or false. i) Jpanel is a class included in awt package. ii) Anonymous classes are mostly used for event handling. iii) Names of anonymous classes must be unique iv) JOptionPane is an inner class A) i-false ... ) i-false, ii-true, iii-false, iv-false D) i-true, ii-false, iii-false, iv-true
Last Answer : C) i-false, ii-true, iii-false, iv-false
Description : State true or false for the following statements in Java. i) Java beans slow down software development process. ii) Java Servlets do not have built in multithreading feature. A) i-false, ii-false B) i-false, ii-true C) i-true, ii-false D) i-true, ii-true
Last Answer : A) i-false, ii-false
Description : Given the following statements: (a) To implement Abstract Data Type, a programming language require a syntactic unit to encapsulate type definition. (b) To implement ADT, a programming language requires some primitive operations that are ... (b) and (c) are false. (D) (a), (b) and (c) are true.
Last Answer : (D) (a), (b) and (c) are true.
Description : State true of false. i) Public can only be assigned to class ii) Protected protects a statement iii) Protected method is never accessible outside the package iv) Friendly variable may be accessible outside class A) i- ... -false, ii-true, iii-false, iv-false D) i-true, ii-false, iii-false, iv-true
Description : James ordered a fishing rod, priced at $3.56. Unfortunately, James is an Eskimo who lives in a very remote part of Greenland and the import rules there forbid any package longer than 4 feet to ... without breaking the rules? Ideally James would like the fishing rod to arrive in one piece! -Riddles
Last Answer : Insert the fishing rod into a box which measures 4 feet on all sides, the fishing rod will fit within the diagonal of the box with room to spare.
Description : Can I import same package/class twice? Will the JVM load the package twice at runtime?
Last Answer : Ans. One can import the same package or same class multiple times. Neither compiler nor JVM complains wil complain about it. And the JVM will internally load the class only once no matter how many times you import the same class.
Description : Which of the following is not mandatory in variable declaration? A) a semicolon B) an identifier C) an assignment D) a data type
Last Answer : C) an assignment
Description : Which of the following is not a declaration of the dictionary? a) {1: ‘A’, 2: ‘B’} b) dict([[1,”A”],[2,”B”]]) c) {1,”A”,2”B”} d) { }
Last Answer : c) {1,”A”,2”B”}
Description : The compiler converts all operands upto the type of the largest operand is called (A) Type Promotion (B) Type Evaluation (C) Type Conversion (D) Type Declaration
Last Answer : (A) Type Promotion
Description : What does the following declaration mean ? int (*ptr) [10]; (A) ptr is an array of pointers of 10 integers. (B) ptr is a pointer to an array of 10 integers. (C) ptr is an array of 10 integers. (D) none of the above.
Last Answer : (B) ptr is a pointer to an array of 10 integers.
Description : In XML, DOCTYPE declaration specifies to include a reference to ............ file. (A) Document Type Definition (B) Document Type Declaration (C) Document Transfer Definition (D) Document Type language
Last Answer : (A) Document Type Definition
Description : Did the term "grounding" as a punishment for kids precede the same term for pilots being prevented from flying?
Last Answer : answer:No, but that’s something my dad would make a joke about. Example of one of my dad’s jokes: We were out to dinner and deciding whether to order the Zen Chicken. My dad said: “Can you think of anything Buddha?”
Description : Can I know the meaning of the word Precede ?
Last Answer : Precede means to be ahead , to be before or before.
Description : What two characters precede a computer name on the network?
Last Answer : Need answer
Description : Which of the following statement(s) is/are true concerning septic shock? a. The clinical picture of gram negative septic shock is specifically different than shock associated with ... mechanisms of intrinsic expansion of the circulating blood volume, exogenous volume resuscitation is necessary
Last Answer : Answer: d The clinical findings in sepsis and septic shock represent the host response to infection. Gram-positive and gram-negative bacteria, viruses, fungi, rickettsiae, and ... intravascular volume, exogenous volume resuscitation must be provided to restore venous return and ventricular filling
Description : Name the primitive data-types in java.
Last Answer : A: byte, short, int, long, float, double, char and boolean
Description : Mention other ways in which java handles exceptions.
Last Answer : A: Java can handle exception using the try-catch block, throws keyword and throw keyword.
Description : What is Inheritance? How is it implemented in Java?
Last Answer : A: The ability of a class to adopt/share the properties (data and functions) completely or partially from another class is called Inheritance. In Java, it is implemented by the use of the keyword, extends.
Description : What is Polymorphism? How is it implemented in Java?
Last Answer : A: It literally means the ability to take ‘more than one forms’. The ability of a method to behave in more than one form is called polymorphism. In Java, it is implemented by method (function) overloading (compile time polymorphism) and method overriding (runtime polymorphism).
Description : What is Data Abstraction? How is it implemented in Java?
Last Answer : A: Act of representing only essential features without including its background details is called Abstraction. Data Abstraction can also be defined as the process of hiding the implementation details and showing ... Java, it is implemented by the use of interfaces or by making the class abstract.
Description : What is Encapsulation? How is it implemented in Java?
Last Answer : A: Binding up of data and associated functions together into a single unit called (class) is called Encapsulation. In Java, it is implemented by the use of a class.
Description : Is Java an Object Oriented language?
Last Answer : A: Yes.
Description : In java, string is a ............. A) primitive data type B) abstract data type C) combination of boolean D) None of the above
Last Answer : B) abstract data type
Description : Data input is A) an abstract class defined in java.io B) a class we can use to read primitive data types C) an interface that defines methods to open files. D) an interface that defines methods to read primitive data types.
Last Answer : D) an interface that defines methods to read primitive data types.
Description : 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) implementing two or more interfaces D) both B and C
Last Answer : D) both B and C
Description : State true or false. i) init() is called after start() in applet ii) applets are used for networking iii) inheritance is a part of Java Foundation Classes iv) final does not prevent inheritance A) i-true, ii- ... C) i-true, ii-true, iii-true, iv-true D) i-true, ii-false, iii-false, iv-false
Last Answer : B) i-false, ii-false, iii-false, iv-false
Description : JSP embeds in ................ in ...................... A) Servlet, HTML B) HTML, Java C) HTML, Servlet D) Java, HTML
Last Answer : D) Java, HTML
Description : In Java servlet method init( ) is called ..................... times. A) 1 B) 2 C) 0 D) multiple
Last Answer : A) 1
Description : In JDBC ........................ imports all Java classes concerned with database connectivity. A) javax.sql.* B) java.mysql.* C) java.sql.* D) com.*
Last Answer : C) java.sql.*