OnJava8-Examples/exceptions/MultipleReturns.java

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// exceptions/MultipleReturns.java
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// <20>2016 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
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public class MultipleReturns {
public static void f(int i) {
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System.out.println(
"Initialization that requires cleanup");
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try {
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System.out.println("Point 1");
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if(i == 1) return;
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System.out.println("Point 2");
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if(i == 2) return;
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System.out.println("Point 3");
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if(i == 3) return;
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System.out.println("End");
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return;
} finally {
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System.out.println("Performing cleanup");
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}
}
public static void main(String[] args) {
for(int i = 1; i <= 4; i++)
f(i);
}
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}
/* Output:
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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
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*/