CODEWITHSUNDEEP
javawhile-loop
James Fazio
James Fazio

Reputation: 6450

Java While Loop

Is it possible to mid while loop, return to the beginning of the loop?

Something like this

 while(this is true)
 {
      do stuff...
      if(this is true)
        {
            restart while loop;
        }
  }

Adding clarity: I did not mean restart as in reset variables, I mean restart in the sense of stopping execution and going on to the next iteration.

Upvotes: 3

Views: 322

Answers (3)

jayantS
jayantS

Reputation: 837

Yes it is possible. Java provides labels for loops or statement blocks and it must precede a statement. Syntax is identifier:

START: while(this is true)
 {
      do stuff...
      if(this is true)
        {
            continue START;
        }
  }


There are many more ways to do this but i consider this the simplest method.

Upvotes: 1

Eric Sauer
Eric Sauer

Reputation: 870

[EDIT] Misunderstood the question! This works if you want to restart the loop.

There are many ways you can do it. You can have the while loop in a function and call the function. Such as:

public static void loop(){
       while(this is true)  {
              do stuff...
              if(this is true) {
                   loop();
                   break; <-- dont forget this!
              }
       } 
}

Upvotes: -2

Sam I am says Reinstate Monica
Sam I am says Reinstate Monica

Reputation: 31184

the continue keyword will do that

while(this is true)
 {
      do stuff...
      if(this is true)
        {
            continue;
        }
  }

Basically, continue stops execution of the loop on the spot, and then goes on to the next iteration of the loop. you can do this with other loops such as for loops too.

Upvotes: 9

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