16 Questions
What does the Java 'implements' keyword do?
Is used to implement an interface
What is the purpose of the Java 'null' keyword?
Indicates that a reference does not refer to anything
When is the Java 'protected' keyword used?
As an access modifier to indicate that a method or variable may be accessed only in the class in which it is declared
What is the role of the Java 'new' keyword?
Creates new objects
What does the Java 'instanceof' keyword test?
Tests whether the object is an instance of a specified class or interface
When is the Java 'native' keyword used?
To specify that a method is implemented in native code using JNI
What does the 'public' keyword indicate in Java?
It is used to indicate that an item is accessible anywhere
When is the 'return' keyword used in Java?
To return from a method when its execution is complete
What does the 'volatile' keyword indicate in Java?
It is used to indicate that a variable may change asynchronously
What is the purpose of the 'static' keyword in Java?
To indicate that a variable or method is a class method
When would you use the 'transient' keyword in Java?
In serialization to indicate that a variable will not be serialized
What does the 'this' keyword refer to in Java?
The current object in a method or constructor
When would you use the 'throws' keyword in Java?
To declare an exception and propagate checked exceptions
What is the role of the 'throw' keyword in Java?
To explicitly throw an exception
What does the 'try' keyword initiate in Java?
A block of code that will be tested for exceptions
What is the significance of the 'strictfp' keyword in Java?
To restrict floating-point calculations to ensure portability
Test your knowledge of Java keywords with this quiz. Explore the usage and functionality of keywords such as 'if', 'implements', 'import', 'instanceof', and 'int'.
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