Eclipse Syntax Error parameterized types are only if source level is 1 5

Question

I try to use the following code   ArrayList lt String gt  Map lt String  String gt    Eclipse complains about both of them  Syntax Error  parameterized types are only if source level is 1 5   I use JDK 1 6  but even if I go to compiler and switch the compliance to 1 5  It still give me this error  Any Idea why

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Single answer couldn t solve my problem so I used both     First right click on the error in problems tab click Quick fix ok right click on the project build path configure build path remove JRE library add JRE library        tada   done

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I was able to solve this in Eclipse Helios by right-clicking on the project  picking  Java Build Path    Add Library       JRE System Library    Workspace default JRE  jdk1 6 0 17   and finally  Finish

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I get this fairly regularily   Currently what s working for me  with Photon  is    Close project  Open project   If this doesn t work     Close project  Exit Eclipse  Restart Eclipse  Open Project   I know  stupid isn t it

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I have experienced the same problem with Eclipse Indigo release - even though the project set up was correct  The main cause I suspect is that the workspace is defined in a separate folder from the actual source folders  as mentioned user748337   To fix the problem  I had to enable the project specific settings option  in the Porject preference  although it wasn t different from the workspace settings

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I m currently working with Eclipse Luna  And had the same problem  You might want to verify the compiler compliance settings  go to  Project Properties Java Compiler   The Compiler compliance level was set to 1 4  I set mine to 1 5  and I m working with the JDK 1 8   it worked for me   And if you had to change the setting  it might be useful to go to  Window Preferences Java Compiler  And check to see that the Compiler compliance level is 1 5 or higher  Just in case you have a need to do another Java project

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It can be resolved as follows   Go to Project properties   Then  Java Compiler  -  Check the box   Enable project specific settings    Change the compiler compliance level to  5 0   amp  click ok  Select the checkbox for  Use default compliance settings

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change the compiler version to lower value and do apply the changes  The compilation will fail   Now update the version to required and do apply the changes  the workspace will get rebuild and the issue will get resolved

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Right click your project and choose properties in the properties dialog check the Java Compiler settings  maybe you have different workspace settings

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My guess would be that while you run eclipse itself with JDK 1 6  it s actually configured with a different default jre   See Window- gt preferences- gt java- gt Installed JREs and make sure that the checked JRE is 1 6   If the default JRE is indeed 1 6  chances are that it s a project specific setting  See that the project is configured to use the right JRE

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This works for me    In eclipse go to project properties -  java compiler   Then change to java higher than  1 5    change Compiler compliance settings to 1 6 change Generated class files compatibility to 1 6 change Source compatibility to 1 6  Thanks

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Be wary  too  of inheriting workspace settings in your projects for Java Compiler Compliance settings  I had a project that was imported into Eclipse  Eclipse generated the project with a J2SE 1 4 JRE  compiler  and compliance settings    When I went in and manually updated these settings and un-checked the  Enable project specific settings  box  I was still receiving build errors relating to 1 5 level compliance  even though the workspace settings were clearly 1 6   It wasn t until I re-checked the  Enable project specific settings  box and manually set the compiler compliance levels to 1 6 did the errors go away

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Do the following    Right-click on your project--  select properties-----  select Java Compilers  You wills see this window  Image for reference  Now check the checkbox ---  enable project specific settings   Now set the compiler compliance level to 1 6  Apply then Ok  now clean your project and you are good to go

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It can be resolved as follows      Go to Project properties  Then  Java Compiler  -  Check the box   Enable project specific settings     Change the compiler compliance level to  5 0   amp  click ok    Do rebuild  It will be resolved   Also  click the checkbox for  Use default compliance settings

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Yes   Regardless of what anyone else says  Eclipse contains some bug s  that sometimes causes the workspace setting  e g  1 6 compliant  to be ignored   This is even when the per-project settings are disabled  the workspace settings are correct  1 6   the JRE is correctly set  there is only a 1 6 JRE defined  etc   all the things that people generally recommend when questions about this issue are posted to various forums  as they often are    We hit this irregularly  but often  and typically when there is some unrelated issue with build-time dependencies or other project issues   It seems to fall into the general category of  unable to get Eclipse to recognize reality  issues that I always attribute  rightly or wrongly  to refresh issues with Eclipse  extensive metadata   Eclipse metadata is a blessing and a curse  when all is working well  it makes the tool exceedingly powerful and fast   But when there are problems  the extensive caching makes straightening out the issues more difficult - sometimes much more difficult - than with other tools

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This workaround is helpful when this problem pops up   1  Set Workspace JRE to 1 5  and apply save   Projects will rebuild   2 Set Workspace JRE back to 1 6  and apply save   Projects will rebuild   All errors are then gone  for now at least

User · Answer

Go to Project properties   Then  Java Compiler  -  Check the box and  Enable project specific settings   Uncheck the box to  Use Compliance from execution environment  OSGi Minimum-1 2  on the Java   Then change the compiler compliance level to  1 5  and click Ok   Rebuild it and your problem will be resolved

User · Answer

THIS CAN BE A QUICK FIX FOR ECLIPSE  When I was trying to create array list it gave error that array list cannot be resolved to type and something about  parametrised type are only in level 1 5   Only I did was I tried to import java util ArrayList   And that error went away

[java] Eclipse: Syntax Error, parameterized types are only if source level is 1.5

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