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OnJava8-Examples/exceptions/MultipleReturns.java at master · CSapprenticeWT/OnJava8-Examples · GitHub
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MultipleReturns.java
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exceptions
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MultipleReturns.java
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// exceptions/MultipleReturns.java
// (c)2021 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
*/
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