SCJP Module-4 Question-1

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SCJP Module-4 Question-1
Posted on: July 9, 2010 at 12:00 AM

The program given below checks you understanding of methods and their declaration. It is also very useful for SCJP examination.

Which code line/lines should be placed at line 6 to run following program ?


1. class Example1{

2. public static void main(String[] args) {

3. Twin(1);

4. Twin(1,2); 

5. }

6. // place the code here

7. }

Which statements below can be placed at line 6 to run above program ?

1. static void Twin(int i ) { }

2. static void Twin(a,b,c) { }

3. static void Twin(int i, int j) { }

4. need not to add any code to run this program.

Answer :

(1) & (3)

In Method overloading, same name methods with different number of arguments can be used. Methods must be define before using it.

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