Software Engineering Mcqs

Which statement is static and synchronized in JDBC API ?

• (A)  getConnection()
• (B)  executeQuery()
• (C)  prepareCall()
• (D)  executeUpdate()

Answer

Submitted By :Ali Uppal

Which class cannot be subclassed (or extended) in java ?

• (A)  Final class
• (B)  abstract class
• (C)  parent class
• (D)  None of above

Answer

Submitted By :Ali Uppal

Java is a _______________language?

• (A)  moderate typed
• (B)  strogly typed
• (C)  weakly typed
• (D)  none of these

Answer

Submitted By :Ali Uppal

Runnable is_______________?

• (A)  Interface
• (B)  Class
• (C)  Variable
• (D)  Method

Answer

Submitted By :Ali Uppal

The object is created with “new” keyword ?

• (A)  At Compile-time
• (B)  At run-time
• (C)  Depends on the code
• (D)  None of these

Answer

Submitted By :Ali Uppal

Which method of java is invoked by JVM to reclaim the inaccessible memory location ?

• (A)  reclaim() method
• (B)  finalize() method
• (C)  final() method
• (D)  both b and c

Answer

Submitted By :Ali Uppal

After the compilation of the java source code, which file is created by the JVM ?

• (A)  .class
• (B)  .doc
• (C)  .java
• (D)  .cdr

Answer

Submitted By :Ali Uppal

Name the keyword that makes a variable belong to a class, rather than being defined for each instance of the class?

• (A)  abstract
• (B)  static
• (C)  volatile
• (D)  final

Answer

Submitted By :Ali Uppal

Which driver is efficient and always preferable for using JDBC applications_____________?

• (A)  Type-1 driver
• (B)  Type-2 driver
• (C)  Type-3 driver
• (D)  Type-4 driver

Answer

Submitted By :Ali Uppal

Main method parameter has which type of data type___________________?

• (A)  int
• (B)  char
• (C)  string
• (D)  double

Answer

Submitted By :Ali Uppal