langtools/test/tools/javac/options/modes/SourceTargetTest.java

*** 43,53 ****
      }
  
      @Test
      void testSourceTarget() throws IOException {
          String v = System.getProperty("java.specification.version");
!         String latest = v.substring(v.lastIndexOf(".") + 1);
          String prev = String.valueOf(Integer.valueOf(latest) - 1);
  
          writeFile("C.java", "class C { }");
  
          String[] opts = { "-source", latest, "-target", prev };
--- 43,56 ----
      }
  
      @Test
      void testSourceTarget() throws IOException {
          String v = System.getProperty("java.specification.version");
!         String[] va = v.split("\\.");
!         int major = Integer.parseInt(va[0]);
!         boolean newVersion = major > 8;
!         String latest = (newVersion) ? va[0] : va[1];
          String prev = String.valueOf(Integer.valueOf(latest) - 1);
  
          writeFile("C.java", "class C { }");
  
          String[] opts = { "-source", latest, "-target", prev };