Class ThreadLocalRandom

A pseudorandom int value is generated as if it's the result of calling the method Random.nextInt().

A pseudorandom int value is generated as if it's the result of calling the method Random.nextInt().

A pseudorandom int value is generated as if it's the result of calling the following method with the origin and bound:

 
 int nextInt(int origin, int bound) {
   int n = bound - origin;
   if (n > 0) {
     return nextInt(n) + origin;
   }
   else {  // range not representable as int
     int r;
     do {
       r = nextInt();
     } while (r < origin || r >= bound);
     return r;
   }
 }

A pseudorandom int value is generated as if it's the result of calling the following method with the origin and bound:

 
 int nextInt(int origin, int bound) {
   int n = bound - origin;
   if (n > 0) {
     return nextInt(n) + origin;
   }
   else {  // range not representable as int
     int r;
     do {
       r = nextInt();
     } while (r < origin || r >= bound);
     return r;
   }
 }

A pseudorandom long value is generated as if it's the result of calling the method Random.nextLong().

A pseudorandom long value is generated as if it's the result of calling the method Random.nextLong().

A pseudorandom long value is generated as if it's the result of calling the following method with the origin and bound:

 
 long nextLong(long origin, long bound) {
   long r = nextLong();
   long n = bound - origin, m = n - 1;
   if ((n & m) == 0L)  // power of two
     r = (r & m) + origin;
   else if (n > 0L) {  // reject over-represented candidates
     for (long u = r >>> 1;            // ensure nonnegative
          u + m - (r = u % n) < 0L;    // rejection check
          u = nextLong() >>> 1) // retry
         ;
     r += origin;
   }
   else {              // range not representable as long
     while (r < origin || r >= bound)
       r = nextLong();
   }
   return r;
 }

A pseudorandom long value is generated as if it's the result of calling the following method with the origin and bound:

 
 long nextLong(long origin, long bound) {
   long r = nextLong();
   long n = bound - origin, m = n - 1;
   if ((n & m) == 0L)  // power of two
     r = (r & m) + origin;
   else if (n > 0L) {  // reject over-represented candidates
     for (long u = r >>> 1;            // ensure nonnegative
          u + m - (r = u % n) < 0L;    // rejection check
          u = nextLong() >>> 1) // retry
         ;
     r += origin;
   }
   else {              // range not representable as long
     while (r < origin || r >= bound)
       r = nextLong();
   }
   return r;
 }

A pseudorandom double value is generated as if it's the result of calling the method Random.nextDouble().

A pseudorandom double value is generated as if it's the result of calling the method Random.nextDouble().

A pseudorandom double value is generated as if it's the result of calling the following method with the origin and bound:

 
 double nextDouble(double origin, double bound) {
   double r = nextDouble();
   r = r * (bound - origin) + origin;
   if (r >= bound) // correct for rounding
     r = Math.nextDown(bound);
   return r;
 }

A pseudorandom double value is generated as if it's the result of calling the following method with the origin and bound:

 
 double nextDouble(double origin, double bound) {
   double r = nextDouble();
   r = r * (bound - origin) + origin;
   if (r >= bound) // correct for rounding
     r = Math.nextDown(bound);
   return r;
 }