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Java Basic Mcq Questions and Answers

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29. By invoking repaint ( ) for a component, the AWT invokes the method
 
  • A. Draw ( )
  • B. Paint ( )
  • C. Show ( )
  • D. Update ( )
Answer: D.
Update ( )
 
30. The correct statement from the following is/are
 
  • A. Integer types are always signed in java
  • B. The user of final to a variable in java is similar to the use of const in C and C++
  • C. Java supports labeled break and labeled continue statement
  • D. All of these
Answer: D.
All of these
 
 
31. Java
 
  • A. Has no templates
  • B. Does not provide nested classes
  • C. Does not provide destructors
  • D. All of these
Answer: D.
All of these
 
32. Java
 
  • A. Compiler generates byte code instructions
  • B. Is a true object oriented language
  • C. Is a robust language
  • D. All of these
Answer: D.
All of these