Java algorithm question 2. Determine how many primes are in between 101-200, and output all primes.

Source: Internet
Author: User

[Original reprint annotated Source]

Title 2: Determine how many primes are in between 101-200, and output all primes.

Ideas:

Prime (prime number) is the addition of 1 and itself, no other numbers can be divisible by it

Java Code Implementation:

1  PackageJichu;2 3  Public classJICHU24 {5      Public Static voidMain (string[] args)6     {7         //For Loop traversal 101-2008          for(inti = 101; I < 200; i++)9         {Ten             Booleanb =false; One              A             //Inner Loop to determine if I is a prime number -              for(intj = 2; J <= I-1; J + +) -             { the                  -                 //except for 1 and itself, if I can divide the other numbers by B = False -                 if(i% j = 0 ) -                 { +b =false; -                      Break; +                 } A                  at                 //B = True if not divisible -                 Else -                 {    -b =true; -                 } -             } in              -             //if B = true, print out to             if(b = =true) +             { - System.out.println (i); the             } *         } $     }Panax Notoginseng}

[Original reprint annotated Source]

Java algorithm question 2. Determine how many primes are in between 101-200, and output all primes.

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