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Editorial Team
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Asked: 2026-06-01T06:02:38+00:00

Statement stmt=conn.createStatement(); //1 Statement stmt2=conn.createStatement(); //2 ResultSet resultSet1=stmt.executeQuery(—–); //3 while(resultSet1.next()) { //4 ResultSet resultSet2

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Statement stmt=conn.createStatement(); //1
Statement stmt2=conn.createStatement(); //2 
ResultSet resultSet1=stmt.executeQuery("-----"); //3 

while(resultSet1.next()) { //4
    ResultSet resultSet2 = stmt.executeQuery("-----");  //5
}

Will Line Number 5 cause any changes in resultSet1 (declared in line 3 )….As per my observation, resultSet1 had been changed after the execution on line 5.

Please explain whether my observation is right or wrong.

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1 Answer

  1. Editorial Team

    From Statement javadoc:

    By default, only one ResultSet object per Statement object can be open at the same time. Therefore, if the reading of one ResultSet object is interleaved with the reading of another, each must have been generated by different Statement objects. All execution methods in the Statement interface implicitly close a statment’s current ResultSet object if an open one exists.

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