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Java code:
public class Student {
private String name;
private int age;
public Student() {
this("xiaomin", 18);
}
public Student(String name, int age) {
this.name = name;
this.age = age;
}
public int getNameLength() {
if (this.name == null || "".equals(this.name)) {
return 0;
}
return this.name.length();
}
public int getAge() {
return age;
}
public String getFirstChar() {
try {
String firstChar = this.name.substring(0, 1);
return firstChar;
} catch (Exception e) {
return "";
}
}
public static void main(String[] args) {
Student s = new Student();
System.out.println(s.getAge());
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private String smtphost = Constants.MAIL_SERVER_IP; // ·¢ËÍÓʼþ·þÎñÆ÷IP
private int port = Constants.MAIL_SERVER_PORT;&nb ......