CS计算机代考程序代写 package byow.InputDemo;

package byow.InputDemo;

/**
* Created by hug.
* Demonstrates how a single interface can be used to provide input
* from they keyboard, from a random sequence, from a string, or whatever else.
*/
public class DemoInputSource {
private static final int KEYBOARD = 0;
private static final int RANDOM = 1;
private static final int STRING = 2;

public static void main(String[] args) {
int inputType = KEYBOARD;

InputSource inputSource;

if (inputType == KEYBOARD) {
inputSource = new KeyboardInputSource();
} else if (inputType == RANDOM) {
inputSource = new RandomInputSource(50L);
} else { // inputType == STRING
inputSource = new StringInputDevice(“HELLO MY FRIEND. QUACK QUACK”);
}

int totalCharacters = 0;

while (inputSource.possibleNextInput()) {
totalCharacters += 1;
char c = inputSource.getNextKey();
if (c == ‘M’) {
System.out.println(“moo”);
}
if (c == ‘Q’) {
System.out.println(“done.”);
break;
}
}

System.out.println(“Processed ” + totalCharacters + ” characters.”);
}
}