Question Bank

3705 approved questions from the community

What category is Memento?

EASY
SINGLE CHOICE
25s
Design Patterns
by Mohamed

Strategy changes what at runtime?

MEDIUM
SINGLE CHOICE
30s
Design Patterns
by Mohamed

What type is Iterator pattern?

EASY
SINGLE CHOICE
30s
Design Patterns
by Mohamed

Facade provides what interface?

MEDIUM
SINGLE CHOICE
30s
Design Patterns
by Mohamed

Which pattern ensures a class has only one instance?

EASY
SINGLE CHOICE
25s
Design Patterns
by Mohamed

Bridge more suitable when?

HARD
SINGLE CHOICE
38s
Design Patterns
by Mohamed

Fluent Interface with which pattern?

MEDIUM
SINGLE CHOICE
30s
Design Patterns
by Mohamed

Composite represents what structure?

MEDIUM
SINGLE CHOICE
35s
Design Patterns
by Mohamed

Service Locator for what?

MEDIUM
SINGLE CHOICE
35s
Design Patterns
by Mohamed

Best pattern for undo?

MEDIUM
SINGLE CHOICE
35s
Design Patterns
by Mohamed

Null Object replaces null checks?

EASY
TRUE FALSE
20s
Design Patterns
by Mohamed

Design patterns are ready-made code?

EASY
TRUE FALSE
20s
Design Patterns
by Mohamed

Confused patterns?

HARD
MULTIPLE CHOICE
45s
Design Patterns
by Mohamed

Which pattern with Hollywood Principle?

EASY
SINGLE CHOICE
30s
Design Patterns
by Mohamed

Visitor violates Open/Closed?

HARD
TRUE FALSE
30s
Design Patterns
by Mohamed

Façade simplifies while Mediator manages?

HARD
TRUE FALSE
30s
Design Patterns
by Mohamed

State and Strategy identical diagrams?

HARD
TRUE FALSE
30s
Design Patterns
by Mohamed

Proxy introduces performance overhead?

HARD
TRUE FALSE
30s
Design Patterns
by Mohamed

Proxy is structural?

EASY
TRUE FALSE
20s
Design Patterns
by Mohamed

Best for traversing data structures?

MEDIUM
SINGLE CHOICE
35s
Design Patterns
by Mohamed
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