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MultipleReturns.java
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// exceptions/MultipleReturns.java
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
public class MultipleReturns {
public static void f(int i) {
System.out.println(
"Initialization that requires cleanup");
try {
System.out.println("Point 1");
if(i == 1) return;
System.out.println("Point 2");
if(i == 2) return;
System.out.println("Point 3");
if(i == 3) return;
System.out.println("End");
return;
} finally {
System.out.println("Performing cleanup");
}
}
public static void main(String[] args) {
for(int i = 1; i <= 4; i++)
f(i);
}
}
/* Output:
Initialization that requires cleanup
Point 1
Performing cleanup
Initialization that requires cleanup
Point 1
Point 2
Performing cleanup
Initialization that requires cleanup
Point 1
Point 2
Point 3
Performing cleanup
Initialization that requires cleanup
Point 1
Point 2
Point 3
End
Performing cleanup
*/