ExecutorService executor = Executors.newSingleThreadExecutor();
System.out.println("Is a greater than or equal to b? " + isGreaterThanOrEqual);
PreparedStatement preparedStatement=conn.prepareStatement("update test set name='wangwu' where id=1");
System.out.print("请输入一个字符串: ");
public double average(int num1, int num2) {
info.setProperty("user","myuser");
publicstaticvoidmain(String[] args){