1. b
2. c
3. abc
4. a
5. a
6. a
7. c
8. a
9. d
10. abc

public class Book {

	 private String title;
	 private String author;
	 private String publisher;
	 private double price;

	 public Book() {
		 this.title = "1";
		 this.author = "1";
		 this.publisher = "出版社";
		 this.price = 15;
	 }
	 
	public String getTitle() {
		return title;
	}
	public void setTitle(String title) {
		this.title = title；
	}
	public String getAuthor() {
		return author;
	}
	public void setAuthor(String author) {
		this.author = author；
	}
	public String getPublisher() {
		return publisher;
	}
	public void setPublisher(String publisher) {
		this.publisher = publisher;
	}
	public double getPrice() {
		return price;
	}
	
	public void setPrice(double price) {
		if(price > 10) {
			this.price = price;
		} else {
			System.out.println("价格必须大于10！");
			this.price = 10;
		}	
	}  

	public static void main(String[] args) {
		Book book = new Book();
		System.out.println(book.title);
		System.out.println(book.author);
		System.out.println(book.publisher);
		System.out.println(book.price);
	}
}

public class User {
	private String userName;
	private String password;
	
	public User() {
		this.userName = "Luck";
		this.password = "123456";
	}
	
	public String getUserName() {
		return userName;
	}
	public void setUserName(String userName) {
		this.userName = userName;	
	}
	public String getPassword() {
		return password;
	}
	public void setPassword(String password) {
		this.password = password;
	}
	public static void main(String[] args) {
		User us = new User();
		System.out.println("用户名：" + form.userName);
		System.out.println("密码：" + form.password);
		form.setUserName("Mike");
		form.setPassword("123456");
		System.out.println("用户名：" + form.userName);
		System.out.println("密码：" + form.password);
		System.out.println("===============");
		if(form.userName.equals("Luck") && form.password.equals("123456")) {
			System.out.println("用户名和密码一致");
		} else {
			System.out.println("用户名和密码不一致");
		}
	}
}