The default value of a boolean is false. : boolean « Java Source And Data Type « SCJP






public class MainClass {
  static boolean b;

  public static void main(String[] argv) {
    System.out.println(b);
  }
}
false








1.12.boolean
1.12.1.Boolean literals are the source code representation for boolean values.
1.12.2.The only valid literals of boolean type are true and false.
1.12.3.The default value of a boolean is false.