IllegalStateException

IllegalStateExceptionInWhile.java

public class IllegalStateExceptionInWhile {
	public static void main(String[] args) {
		seeMore();
		run();
		iamNotWorking();
	}

	static void run() {
		int counter = 0;
		while (true) {
			counter++;
			System.out.println("counter: " + counter);
			if (counter >= 8) {
				throw new IllegalStateException("it is inappropriate time!");
			}
		}
	}

	private static void iamNotWorking() {
		System.out.println("I'm not working");
	}

	private static void seeMore() {
		System.out.println("\n`public class IllegalStateException`\r\n" + "`extends RuntimeException`\n"
				+ "Signals that a method has been invoked at an illegal"
				+ " or inappropriate time. In other words, the Java environment or Java application"
				+ " is not in an appropriate state for the requested operation.");
		System.out.println("\n\n[ Read more ]\n[ https://docs.oracle.com/javase"
				+ "/8/docs/api/java/lang/IllegalStateException.html ]\n");
	}
}