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final static string vs string in java

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instanceof java

Posts: 576
Nickname: instanceof
Registered: Jan, 2015

instanceof java is a java related one.
final static string vs string in java Posted: Jul 19, 2015 2:34 AM
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Original Post: final static string vs string in java
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Static final variable java example:

  • If we declare any variable as static means it is class level variable.
  • If we declare any variable as static final its class level variable and its value can not be changed 
  • final static variables are constants in java.
  • We can access these final static variables directly without using object or class name.
  • We can not change the value of final static variables in any object.

    java example program on final static variable 

    1. Class A{
    2.  
    3. public static final String str="Learn Java Online";
    4.  
    5.  public static void main(String[]  args){ 

    7. System.out.println(str); 
    8.  //str="j2ee Interview Questions"; gives error

    10. }
    11. }

    Output:
    1. Learn Java Online

    Static String:

    • static Strings are class level strings.
    • we can access these static Strings using class name.


    1. Class A{
    2.  
    3. public static String str="Learn Java Online";
    4.  
    5.  public static void main(String[]  args){ 

    7. System.out.println(A.str); 
    8. System.out.println(str);
    9.  

    11. }
    12. }

    Output:
    1. Learn Java Online
    2. Learn Java Online

    Read: final static string vs string in java

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