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public class Rectangle { }

float width, height;

public Rectangle(float width, float height) { }

public float getLength(){ }

public float getArea(){ }

public static void main(String [] args) {

Rectangle rect = new Rectangle(10, 20);

System.out.println(\Öܳ¤ÊÇ£º\return this.width * this.height; return (this.width + this.height) * 2; this.width = width; this.height = height;

System.out.println(\Ãæ»ýÊÇ£º\}

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int minPrice=Integer.parseInt(request.getParameter(\ int maxPrice=Integer.parseInt(request.getParameter(\ Class.forName(\

String url=\ Connection conn=DriverManager.getConnection(url); Statement stmt=conn.createStatement();

String sql=\ PC where price>=\ ResultSet rs=stmt.executeQuery(sql); while(rs.next()) { %>

<% } %> <% rs.close(); stmt.close(); conn.close(); %>
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