test_001.java

java编程开发技巧与实例的编译测试通过的所有例程

import java.io.*;

import com.sun.xml.internal.ws.wsdl.writer.document.http.Address;

public class Test_001 {

	/**
	 * @param args
	 */
	public static double readDouble()
	{
		try
		{
			return Double.valueOf(readString().trim()).doubleValue();
		}
		catch	(NumberFormatException ne)
		{
			System.err.println("Console.readDouble:	Not a double . . .");
			System.exit(- 1);
			return 9.09;
		}
	}
	public static int readInt()
	{
		try
		{
			return Integer.valueOf(readString().trim()).intValue();
		}
		catch	(NumberFormatException ne)
		{
			System.err.println("Console.readInt:	Not an integer . . .");
			System.exit(- 1);
			return - 1;
		}
	}
	public static String readString()
	{
		String string = new String();
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		try
		{
			string = in.readLine();
		}
		catch	(IOException e)
		{
			System.out.println("Console.readString:	Unknown error . . .");
			System.exit(-1);
		}
		return string;
	}

	public static String replace(String s, String old, String with)
	{
		String newString = " _";
		String remainder = s;
		if (remainder.indexOf(old) > 0)
		{
			int start = remainder.indexOf(old);
			int end = start + old.length() + 1;
			newString = remainder.substring(0,start) + with;
			remainder = remainder.substring(end, remainder.length());
		}
		return newString + remainder;
	}
	
	public static int convertToInt(String s)
	{
		Integer I = Integer.valueOf(s);
		return I.intValue();
	}
	
	class Address
	{
		String firstName;
		String lastName;
		String email;
		
		Address(String _firstName, String _lastName, String _email)
		{
			firstName = _firstName;
			lastName = _lastName;
			email = _email;
		}
		void showAddress()
		{
			System.out.println(lastName + ", " + firstName + " (" + email + ")");
		}
	}
	
	class Parents
	{
		String LABELS[] = {"father", "mother"};
		Address parents[] = new Address[2];
		Parents()
		{
			for	(int i = 0; i < parents.length; i ++)
				{
					System.out.print("df");
				}
		}
		protected void finalize()
		{
			//super.finalize();
			for	(int i = 0; i < parents.length; i ++)
				parents[i] = null;
			parents = null;
		}
	}
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		//System.out.println("google");
		/*double A[] = new double [10];
		for (int j = 0; j < A.length; j ++)
			A[j] = j*j - j + 10;
		for (int i = 0; i < A.length; i ++)
			System.out.println(A[i]);*/
		/*
		System.out.print("Enter integer:	");
		int i = Test_001.readInt();
		System.out.print("Enter double:	");
		double x = Test_001.readDouble();
		System.out.println("Integer entered:	" + i);
		System.out.println("Double entered:	" + x);
		*/
		/*
		String str_s = "landerance";
		String str_old = "der";
		String str_with = "kit";
		replace(str_s, str_old, str_with);
		System.out.println(str_s);
		*/
		/*
		if (args.length > 0)
			System.out.println(convertToInt(args[0]));
		else
			System.out.println("Nothing to convert ");
		*/
		
	}

}