Java – Try with resources

From Java7, it introduced the mechanism to release the resource automatically as C# does with using statement. In C#, you can use the using statement to release resource allocated by object which derives from IDisposable.

using (var socket = new Socket(...)) {


Java7 can achieve same result with the following syntax. However it cannot use for any object, it can only support the instance which implements java.lang.AutoCloseable as C# does.

try (
    File file = new FileInputStream(...);
    File output = new FileInputStream(...);
) {
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