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JSP fragments correctly define a method

 
Sherif Shehab
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Which of the follwing JSP fragments correctly define a method?

1.
<% public void m1() { ... } %>

2.
<%! public void m1() { ... } %>

3.
<%@ public void m1() { ... } %>

4.
<%! public void m1() { ... }; %>

5.
<% public void m1() { ... }; %>

otions:
1
2
3
4
5

i answer 1,2 but the right answer :2,4


Any explanations?
 
Christophe Verré
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You have to remember that everything you put in a scriptlet will go into a method. So you cannot define a new function in scriptlets, you have to use declarations instead. Therefore, both 1 and 5 can be discarded.
 
Sherif Shehab
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Thanks for the clarification
 
Jan van Mansum
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Strange, I thought option 4 was incorrect, because of the final semicolon, but it compiles alright. How does this fit into Java syntax? Is it something like an "empty field definition"?
 
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