public static void main(String[] args) {
Random rand = new Random(47);
Integer[] a = new Integer[rand.nextInt(20)];
print("length of a = " + a.length);
for (int i = 0; i < a.length; i++) a[i] = rand.nextInt(500); // Autoboxing
print(Arrays.toString(a));
}
public static void main(String[] args) {
Random rand = new Random();
int value, value2;
value2 = rand.nextInt(100);
for (int i = 0; i < 25; i++) {
if ((value = rand.nextInt(100)) > value2) print(value + " is larger than " + value2);
else print(value + " is less than " + value2);
}
}
// Insert a random delay to produce the effect
// of a calculation time:
private void pause(int factor) {
try {
TimeUnit.MILLISECONDS.sleep(100 + rand.nextInt(factor));
} catch (InterruptedException e) {
print("sleep() interrupted");
}
}
public static void main(String[] args) {
Random rand = new Random(47);
int i = rand.nextInt();
int j = rand.nextInt();
printBinaryInt("-1", -1);
printBinaryInt("+1", +1);
int maxpos = 2147483647;
printBinaryInt("maxpos", maxpos);
int maxneg = -2147483648;
printBinaryInt("maxneg", maxneg);
printBinaryInt("i", i);
printBinaryInt("~i", ~i);
printBinaryInt("-i", -i);
printBinaryInt("j", j);
printBinaryInt("i & j", i & j);
printBinaryInt("i | j", i | j);
printBinaryInt("i ^ j", i ^ j);
printBinaryInt("i << 5", i << 5);
printBinaryInt("i >> 5", i >> 5);
printBinaryInt("(~i) >> 5", (~i) >> 5);
printBinaryInt("i >>> 5", i >>> 5);
printBinaryInt("(~i) >>> 5", (~i) >>> 5);
long l = rand.nextLong();
long m = rand.nextLong();
printBinaryLong("-1L", -1L);
printBinaryLong("+1L", +1L);
long ll = 9223372036854775807L;
printBinaryLong("maxpos", ll);
long lln = -9223372036854775808L;
printBinaryLong("maxneg", lln);
printBinaryLong("l", l);
printBinaryLong("~l", ~l);
printBinaryLong("-l", -l);
printBinaryLong("m", m);
printBinaryLong("l & m", l & m);
printBinaryLong("l | m", l | m);
printBinaryLong("l ^ m", l ^ m);
printBinaryLong("l << 5", l << 5);
printBinaryLong("l >> 5", l >> 5);
printBinaryLong("(~l) >> 5", (~l) >> 5);
printBinaryLong("l >>> 5", l >>> 5);
printBinaryLong("(~l) >>> 5", (~l) >>> 5);
}
public static void main(String[] args) {
Random rand = new Random(47);
for (int i = 0; i < 100; i++) {
int c = rand.nextInt(26) + 'a';
printnb((char) c + ", " + c + ": ");
switch (c) {
case 'a':
case 'e':
case 'i':
case 'o':
case 'u':
print("vowel");
break;
case 'y':
case 'w':
print("Sometimes a vowel");
break;
default:
print("consonant");
}
}
}
public void run() {
try {
while (!Thread.interrupted()) {
TimeUnit.MILLISECONDS.sleep(100 + rand.nextInt(500));
// Make toast
Toast t = new Toast(count++);
print(t);
// Insert into queue
toastQueue.put(t);
}
} catch (InterruptedException e) {
print("Toaster interrupted");
}
print("Toaster off");
}
private void pause() throws InterruptedException {
if (ponderFactor == 0) return;
TimeUnit.MILLISECONDS.sleep(rand.nextInt(ponderFactor * 250));
}