Demonstrate lifetime of a variable : Variables « Language « Java Tutorial

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Java Tutorial » Language » Variables

1. 9. 3. Demonstrate lifetime of a variable


public class MainClass {

  public static void main(String args[]) {

    int x;



    for (x = 0; x < 3; x++) {

      int y = -1; // y is initialized each time block is entered

      System.out.println("y is: " + y); // this always prints -1

      y = 100;

      System.out.println("y is now: " + y);

    }

  }

}

y is: -1
y is now: 100
y is: -1
y is now: 100
y is: -1
y is now: 100

1. 9. Variables
	1. 9. 1.	Variables
	1. 9. 2.	Variable Dynamic Initialization
	1. 9. 3.	Demonstrate lifetime of a variable
	1. 9. 4.	shows the proper way to declare a class variable named helloMessage
	1. 9. 5.	You don't have to place class variable declarations at the beginning of a class.
	1. 9. 6.	helloMessage variable is declared as a local variable:

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