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