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test/langtools/tools/javac/diags/examples/PreviewFeatureUse.java

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*** 23,33 ****
  
  //key: compiler.warn.preview.feature.use
  //key: compiler.warn.preview.feature.use.plural
  //key: compiler.misc.feature.diamond
  //key: compiler.misc.feature.lambda
! //options: -Xlint:preview -XDforcePreview -source 12 --enable-preview
  
  import java.util.ArrayList;
  
  class PreviewFeatureUse {
      void test() {
--- 23,33 ----
  
  //key: compiler.warn.preview.feature.use
  //key: compiler.warn.preview.feature.use.plural
  //key: compiler.misc.feature.diamond
  //key: compiler.misc.feature.lambda
! //options: -Xlint:preview -XDforcePreview -source 13 --enable-preview
  
  import java.util.ArrayList;
  
  class PreviewFeatureUse {
      void test() {



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