Question Bank
3705 approved questions from the community
What category is Memento?
EASY
SINGLE CHOICE
25sDesign Patterns
by Mohamed
Strategy changes what at runtime?
MEDIUM
SINGLE CHOICE
30sDesign Patterns
by Mohamed
What type is Iterator pattern?
EASY
SINGLE CHOICE
30sDesign Patterns
by Mohamed
Facade provides what interface?
MEDIUM
SINGLE CHOICE
30sDesign Patterns
by Mohamed
Which pattern ensures a class has only one instance?
EASY
SINGLE CHOICE
25sDesign Patterns
by Mohamed
Bridge more suitable when?
HARD
SINGLE CHOICE
38sDesign Patterns
by Mohamed
Fluent Interface with which pattern?
MEDIUM
SINGLE CHOICE
30sDesign Patterns
by Mohamed
Composite represents what structure?
MEDIUM
SINGLE CHOICE
35sDesign Patterns
by Mohamed
Service Locator for what?
MEDIUM
SINGLE CHOICE
35sDesign Patterns
by Mohamed
Best pattern for undo?
MEDIUM
SINGLE CHOICE
35sDesign Patterns
by Mohamed
Null Object replaces null checks?
EASY
TRUE FALSE
20sDesign Patterns
by Mohamed
Design patterns are ready-made code?
EASY
TRUE FALSE
20sDesign Patterns
by Mohamed
Confused patterns?
HARD
MULTIPLE CHOICE
45sDesign Patterns
by Mohamed
Which pattern with Hollywood Principle?
EASY
SINGLE CHOICE
30sDesign Patterns
by Mohamed
Visitor violates Open/Closed?
HARD
TRUE FALSE
30sDesign Patterns
by Mohamed
Façade simplifies while Mediator manages?
HARD
TRUE FALSE
30sDesign Patterns
by Mohamed
State and Strategy identical diagrams?
HARD
TRUE FALSE
30sDesign Patterns
by Mohamed
Proxy introduces performance overhead?
HARD
TRUE FALSE
30sDesign Patterns
by Mohamed
Proxy is structural?
EASY
TRUE FALSE
20sDesign Patterns
by Mohamed
Best for traversing data structures?
MEDIUM
SINGLE CHOICE
35sDesign Patterns
by Mohamed