逻辑运算符

public class Demon5 {
//逻辑运算符；
//与或非;
public static void main(String[] args) {
boolean a = true;
boolean b = false;
System.out.println("a&&b:"+(a&&b));
System.out.println("a||b:"+(a||b));
System.out.println("!(a&&b):"+(!(a&&b)));

    System.out.println("----------");

    //短路运算
    int c = 5;
    boolean d = (c<4)&&(c++<4);//假设前面为错误的话，就不再执行后面的内容
    System.out.println(d);
    System.out.println(c);

    System.out.println("----------");

    int e = 12;
    boolean f =(e<15)&&(e++<12);
    System.out.println(f);
    System.out.println(e);
}

}