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The Complete Java Crash Course

while-loops

Explore while-loops in Java to control program flow based on conditions. Understand syntax differences from Python and practice static method implementation with practical coding exercises involving counting, robot movement, and factor calculation.

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while-loops in Java work exactly the same as in Python, Javascript, and C, although the syntax is different than that of Python.

The examples and exercises are worth working through anyway, to gain comfort with code organization in Java. Here is a simple example of using a while-loop to count in Java:

Java
class WhileExample {
  public static void main(String[] args) {
    int number = 0; 
    while(number < 100) {    
      System.out.println(number);
      number += 2;
    }
  }
}

Exercise: charge!

In Java, while-loops are rarely used for counting, since for-loops provide a briefer syntax. But while-loops are great for ...