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Questions and Answers
What is the default data type used for integral values unless there is a concern about memory space?
What is the default data type used for integral values unless there is a concern about memory space?
- int (correct)
- long
- short
- float
What data type is used to store a single character in Java?
What data type is used to store a single character in Java?
- double
- float
- boolean
- char (correct)
Which of the following data types is used when a wider range than int is needed?
Which of the following data types is used when a wider range than int is needed?
- int
- short
- float
- long (correct)
What is the purpose of the float data type?
What is the purpose of the float data type?
What is the default data type used for decimal values?
What is the default data type used for decimal values?
Which class in the java.util package is used to read data from the standard input device and store data into variables?
Which class in the java.util package is used to read data from the standard input device and store data into variables?
What is the purpose of using the import statement in Java?
What is the purpose of using the import statement in Java?
What is the syntax to import a specific class into the current file in Java?
What is the syntax to import a specific class into the current file in Java?
What is the purpose of using the asterisk (*) wildcard character in an import statement?
What is the purpose of using the asterisk (*) wildcard character in an import statement?
What is the hierarchy of integer data types in Java from lowest to highest precision?
What is the hierarchy of integer data types in Java from lowest to highest precision?
What is the purpose of using the byte data type in Java?
What is the purpose of using the byte data type in Java?
How many built-in primitive data types are supported in Java?
How many built-in primitive data types are supported in Java?
In Java, what is the purpose of the import statement?
In Java, what is the purpose of the import statement?
What is the return type of a method that does not return any value?
What is the return type of a method that does not return any value?
What is the data type of the variable 'a' in the given code snippet?
What is the data type of the variable 'a' in the given code snippet?
What is the purpose of the package statement in Java?
What is the purpose of the package statement in Java?
What happens if the return type of a method is not compatible with the type of value being returned?
What happens if the return type of a method is not compatible with the type of value being returned?
What is the data type of the variable 'name' in the given code snippet?
What is the data type of the variable 'name' in the given code snippet?
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