Programming in Java

1

What modifier is to be used if you wish to declare that you want to no longer allow subclasses to override your variables or methods?

1

AWT stands for

1

Which operator is used for concatenation in java?

1

What is the type and value of the following expression?
-4 + 1/2 + 2*-3 + 5.0

1

In object-oriented programming, the process by which one object acquires the properties of another object is called

1

Java compiler javac translates Java source code into ………………………

1

Which of the following statements about Java Threads is correct?

1

The wrapping up of data and functions into a single unit is called

1

In Java, declaring a class abstract is useful

1

Which of the following is a member of the java.lang package?

1

URL stands for

1

What is the sequence of major events in the life of an applet?

1

What will be the result of the expression 13 & 25?

1

What information may be obtained from a ResultSetMetaData object?

1

Which is a special file that contains information about the files packaged in a JAR file?

1

Evaluate the Java expressions:
int i=3, j=7, k=11;
j + k % i

1

Which of the following provides the naming services for the server to register the object and for the client to locate the object?

1

Which is not a valid operator in Java?

1

Which of the following is not an Applet method?

1

If ClassA extends ClassB, then

1

SSL stands for

1

Consider the following HTML page code:
< html > < body >
< a href='/servlet/HelloServlet' >POST< /a >
< /body >< /html >
Which method of HelloServIet will be invoked when the hyperlink is clicked?

1

Stub is a ____________ proxy for the remote object.

1

What is the Output:
String s1 = new String("Test");
String s2 = new String("Test");
if (s1==s2)
System.out.println("Same");
if (s1.equals(s2))
System.out.println("Equals");

1

Which declaration of the main method below would allow a class to be started as a standalone program.

1

Which of these are legal identifiers.

1

Which of the following are keywords in Java.

1

Given a one dimensional array arr, what is the correct way of getting the number of elements in arr.

1

A class can have many methods with the same name as long as the number of parameters or type of parameters is different. This OOP concept is known as

1

Is this True or False. In Java an abstract class cannot be sub-classed.

1

What is returned when the method substring(2, 4) is invoked on the string "example"? Include the answer in quotes as the result is of type String.

1

What is the result of evaluating the expression 14 ^ 23. Select the one correct answer.

1

Which of the following is not a return type?

1

Which operator is used to perform bitwise exclusive or.

1

If result = 2 + 3 * 5, what is the value and type of result variable?

1

All the wrapper classes (Integer, Boolean, Float, Short, Long, Double and Character) in java

1

What is the result of compiling and running this program? Select the one correct answer.
public class test
{ public static void main(String args[])
{ int i, j;
int k = 0;
j = 2;
k = j = i = 1;
System.out.println(k);
}
}

1

A program needs to store the name, salary, and age of employees in years. Which of the following data types should be used to create the Employee class. Select the three correct answers.
a. char
b. boolean
c. Boolean
d. String
e. int
f. double

1

When we go for thread synchronization?

1

Which statement is true?
public void test(int x)
{ int odd = 1;
if(odd)
{ System.out.println("odd"); }
else
{ System.out.println("even"); }
}

1

Which code determines the int value data closer to, but not greater than, a double value b?

1

Which of the following statements is false as far as different type of statements is concern in JDBC?

1

Which of the following describes the correct sequence of the steps involved in making a connection with a database.
1. Loading the driver
2. Process the results.
3. Making the connection with the database.
4. Executing the SQL statements.

SecondYear Second Year Quiz sobre Programming in Java, criado por Faheem Ahmed em 26-03-2018.

Programming in Java

What modifier is to be used if you wish to declare that you want to no longer allow subclasses to override your variables or methods?

AWT stands for

Which operator is used for concatenation in java?

What is the type and value of the following expression? -4 + 1/2 + 2*-3 + 5.0

In object-oriented programming, the process by which one object acquires the properties of another object is called

Java compiler javac translates Java source code into ………………………

Which of the following statements about Java Threads is correct?

The wrapping up of data and functions into a single unit is called

In Java, declaring a class abstract is useful

Which of the following is a member of the java.lang package?

URL stands for

What is the sequence of major events in the life of an applet?

What will be the result of the expression 13 & 25?

What information may be obtained from a ResultSetMetaData object?

Which is a special file that contains information about the files packaged in a JAR file?

Evaluate the Java expressions: int i=3, j=7, k=11; j + k % i

Which of the following provides the naming services for the server to register the object and for the client to locate the object?

Which is not a valid operator in Java?

Which of the following is not an Applet method?

If ClassA extends ClassB, then

What is the type and value of the following expression?
-4 + 1/2 + 2*-3 + 5.0

Evaluate the Java expressions:
int i=3, j=7, k=11;
j + k % i

Consider the following HTML page code:
< html > < body >
< a href='/servlet/HelloServlet' >POST< /a >
< /body >< /html >
Which method of HelloServIet will be invoked when the hyperlink is clicked?

What is the Output:
String s1 = new String("Test");
String s2 = new String("Test");
if (s1==s2)
System.out.println("Same");
if (s1.equals(s2))
System.out.println("Equals");

What is the result of compiling and running this program? Select the one correct answer.
public class test
{ public static void main(String args[])
{ int i, j;
int k = 0;
j = 2;
k = j = i = 1;
System.out.println(k);
}
}