int sum = addNumbers(num1, num2);
FileInputStream inputStream = new FileInputStream("path/to/your/image.jpg");
frame.getContentPane().add(textField, BorderLayout.CENTER); // 将文本框添加到窗口中央
boolean isGreaterThan = a > b; // 大于
out.println("服务器回复: " + inputLine);
frame.getContentPane().add(label, BorderLayout.NORTH); // 将标签添加到窗口顶部
Map<String, Integer> stringIntMap = new HashMap<>();
System.out.println(resultSet.getObject("id")+" "+
public static void main(String[] args) {
System.out.println("该整数不是偶数");