в 17:44, 31 мая 2010

2010-05-31T17:44:27Z

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2010-05-31T15:28:31Z

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== Console output with format ==



<source lang="java">
import java.io.Console;
import java.sql.SQLException;
public class MainClass {
public static void main(String[] args) throws ClassNotFoundException, SQLException {
Console console = System.console();
if (console == null) {
System.err.println("sales: unable to obtain console");
return;
}
console.printf("%s ", "string");
}
}</source>



== Console read Password ==



<source lang="java">
import java.io.Console;
import java.sql.SQLException;
public class MainClass {
public static void main(String[] args) throws ClassNotFoundException, SQLException {
Console console = System.console();
if (console == null) {
System.err.println("sales: unable to obtain console");
return;
}
String password = new String (console.readPassword ("Enter password: "));
System.out.println(password);
}
}</source>



== Java Console readLine ==



<source lang="java">
import java.io.Console;
import java.sql.SQLException;
public class MainClass {
public static void main(String[] args) throws ClassNotFoundException, SQLException {
Console console = System.console();
if (console == null) {
System.err.println("sales: unable to obtain console");
return;
}
String username = console.readLine("Enter username: ");
System.out.println(username);
}
}</source>



== Password Prompting with java.io.Console ==



<source lang="java">
import java.io.Console;
import java.util.Arrays;
public class PasswordPromptingDemo {
public static void main(String[] args) {
Console console = System.console();
if (console == null) {
System.out.println("Console is not available");
System.exit(1);
}
char[] password = "mustang".toCharArray();
char[] passwordEntered = console.readPassword("Enter password: ");
if (Arrays.equals(password, passwordEntered)) {
System.out.println("\n Access granted \n");
Arrays.fill(password, " ");
Arrays.fill(passwordEntered, " ");
System.out.println("OK ...");
} else {
System.out.println("Access denied");
System.exit(1);
}
}
}</source>

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в 17:44, 31 мая 2010

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