How do you set a field in Java?

You can set the value of the field by calling the set() method on the Field object , where the first parameter is the object that has the field value that you’d like to set, and the second parameter is the value of that field. There are other ‘set’ methods for primitive (non-object) field types.

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How do you declare variables in Java?

To declare (create) a variable, you will specify the type, leave at least one space, then the name for the variable and end the line with a semicolon ( ; ) . Java uses the keyword int for integer, double for a floating point number (a double precision number), and boolean for a Boolean value (true or false).

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What is list of objects in Java?

The List interface in Java provides a way to store the ordered collection. It is a child interface of Collection. It is an ordered collection of objects in which duplicate values can be stored . Since List preserves the insertion order, it allows positional access and insertion of elements.

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What are objects types in Java?

Object Data Type: These are also referred to as Non-primitive or Reference Data Type. They are so-called because they refer to any particular objects. Unlike the primitive data types, the non-primitive ones are created by the users in Java. Examples include arrays, strings, classes, interfaces etc .

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