public static void delRows() {
    Region currRegion = null;
    Cache cache;
    // get the cache
    // this is used to get the context for passing to the constructor of
    // JTAUtils
    cache = TxnManagerMultiThreadDUnitTest.getCache();
    currRegion = cache.getRegion(SEPARATOR + "root");
    JTAUtils jtaObj = new JTAUtils(cache, currRegion);
    // to delete all rows inserted in creatTable () of this class
    // deleteRows method of JTAUtils class is used.
    try {
      // get the table name from CacheUtils
      String tblName_delRows = CacheUtils.getTableName();
      /* int rowsDeleted = */jtaObj.deleteRows(tblName_delRows);
    } catch (Exception e) {
      fail("Error: while deleting rows from database using JTAUtils", e);
    }
  }
Return file as string and then modify the string accordingly **
geode-core/src/distributedTest/java/org/apache/geode/internal/jta/dunit/TxnManagerMultiThreadDUnitTest.java