Computer Applications
Which of these data type value is returned by equals() method of string class?
- char
- int
- boolean
- All of these
Java String Handling
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Answer
boolean
Reason — equals() method checks if contents of two strings are same or not. The result is true if the contents are same otherwise it is false.
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Related Questions
…………… class is used to convert a primitive data type to its corresponding object.
- String
- Wrapper
- System
- Math
This access specifier can be accessed only by the subclass in other package or any class within the same package.
- protected
- private
- public
- default
Assertion (A) Class initialisation is the explicit initialisation of class fields to values.
Reason (R) Each class field explicitly initialises to a value via a class field initialiser.- Both Assertion (A) and Reason (R) are true and Reason (R) is a correct explanation of Assertion (A).
- Both Assertion (A) and Reason (R) are true and Reason (R) is not a correct explanation of Assertion (A).
- Assertion (A) is true and Reason (R) is false.
- Assertion (A) is false and Reason (R) is true.
Read the following text and choose the correct answer:
Java constructor overloading is a technique in which a class can have any number of constructors that differ in parameter list. The compiler differentiates these constructors by taking into account the number of parameters in the list and their type.
Why do we use constructor overloading?
- To use different types of constructors.
- Because it's a feature provided.
- To initialise the object in different ways.
- To differentiate one constructor from another.