The Cast Operator (type) is for explicit conversion of a type. : Cast Operators « Operators « SCJP

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SCJP » Operators » Cast Operators

2.4.1.The Cast Operator (type) is for explicit conversion of a type.

public class MainClass {

  public static void main() {

    // forcing a double value into an int variable like this:

    int diameter = 9;

    int circum = (int) (Math.PI * diameter);

    System.out.println(circum);

  }

}

2.4.Cast Operators
	2.4.1.	The Cast Operator (type) is for explicit conversion of a type.
	2.4.2.	Cast Operator converts numeric values from one type to another or to change an object reference type.
	2.4.3.	Compiler does not object to add an int value to a byte because it performs an explicit cast

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