What are optional parameters in Java

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How can we use optional parameters in Java? What are the specifications that should be kept in mind regarding optional parameters?

Apr 27, 2018 in Java by parth295
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Using three dots:

public void move(Object... x) {
    String first    =  x.length > 0 ? (String)x[0]  : "Hello";
    int duration    =  x.length > 1 ? Integer.parseInt((String) x[1])     : 888;
}   
move("Hello", ); 
move("Hello", 23); 
answered Apr 27, 2018 by developer_1
• 3,280 points

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