Import XXX cannot be resolved for Java SE standard classes

Question

I use Eclipse and turns out I have a bunch of import   not resolved errors   import java sql Date  import java sql PreparedStatement  import java sql ResultSet  import java sql SQLException  import java sql Statement  import java sql Timestamp  import java text SimpleDateFormat  import java util ArrayList  import java util Calendar  import java util HashMap  import java util List  import java util Map  import java util Map Entry    All of the above have the same error  I checked my java version it is 1 7 0 open jdk  I updated Java Home and the JRE library to use  Its still not working  Note  I imported the code repository from bibucket via the mercurial plugin itself

User · Answer

This is an issue relating JRE In my case  eclipse Luna with Maven plugin  JDK 7  I solved this by making following change in pom xml and then Maven Update Project   from     lt configuration gt           lt source gt 1 8 lt  source gt           lt target gt 1 8 lt  target gt   lt  configuration gt    to     lt configuration gt           lt source gt 1 7 lt  source gt           lt target gt 1 7 lt  target gt   lt  configuration gt      Screenshot showing problem in JRE

User · Answer

If the project is Maven  you can try this way     right click the  Maven Dependencies --  Build Path --  Remove from the build path   right click the project  navigate to  Maven ---  Update project         Then the import issue should be solved

User · Answer

If by chance you have deleted JRE SYSTEM LIBRARY  then go to your JRE installation and add jars from there   Eg - C  Program Files  x86  Java jre7 lib   ---add jars from here  C  Program Files  x86  Java jre7 lib ext   ---add jars from here

User · Answer

Right click on project -  BuildPath -  Configure BuildPath -  Libraries tab -    Double click on JRE SYSTEM LIBRARY -  Then select alternate JRE

[java] Import XXX cannot be resolved for Java SE standard classes

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