Practice Pakistan's most useful MCQs for competitive exams

Java is known as ___________ stage language?

• (A)  1
• (B)  2
• (C)  3
• (D)  4

Answer

Submitted By :Ali Uppal

Which command is used for interpretation of java program_______________?

• (A)  Java
• (B)  javap
• (C)  javac
• (D)  none of above

Answer

Submitted By :Ali Uppal

Which type of inheritance is not supported by java_____________?

• (A)  Single
• (B)  Mulilevel
• (C)  Hirarchical
• (D)  Multiple

Answer

Submitted By :Ali Uppal

The JDBC-ODBC bridge is_________________?

• (A)  Singlethreaded
• (B)  Multithreaded
• (C)  Both of above
• (D)  None of above

Answer

Submitted By :Ali Uppal

JAR file contains the compressed version of_________________?

• (A)  .java file
• (B)  .jsp file
• (C)  .class file
• (D)  None of above

Answer

Submitted By :Ali Uppal

x=x+1 is equivalent to _________________?

• (A)  x++
• (B)  ++x
• (C)  x=x-1
• (D)  None of these

Answer

Submitted By :Ali Uppal

Which of the following below are valid isolation levels in J2EE ?

• (A)  TRANSACTION_READ_UNCOMMITTED
• (B)  TRANSACTION_SERIALIZABLE
• (C)  Only A
• (D)  Both A and B

Answer

Submitted By :Ali Uppal

Process of creating exact copy of the existing object is called_______________?

• (A)  overloading
• (B)  overriding
• (C)  cloning
• (D)  coping

Answer

Submitted By :Ali Uppal

If method have same name as class name and method don’t have any return type then it is known as______________?

• (A)  Constructor
• (B)  Destructors
• (C)  Variable
• (D)  Object

Answer

Submitted By :Ali Uppal

Which metrhods are utilized to control the access to an object in multi threaded programming ?

• (A)  Synchronized methods
• (B)  Asynchronized methods
• (C)  Serialized methods
• (D)  None of above

Answer

Submitted By :Ali Uppal